MALICIOUS
224
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to compromised websites, many of which are hosted on disposable domains or use common CMS upload vulnerabilities, indicating a link farm designed to host malicious files. The presence of a 'download button' heuristic further suggests a lure to download a payload. ClamAV detection and ML classification confirm the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9786
Heuristics 9
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7039b94813---voxedosiworax.pdf
- http://phanphoiongnhuahoasen.vn/upload/files/fipatozugonekutik.pdf
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/db163603e0cd70cc35a26de3b350f979/96668620467.pdf
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160858cbe94dff---wirozoduxub.pdf
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16072fb23a63e7---xirefafapewe.pdf
- http://weddingceremoniesbybev.com/clients/72651/File/lalalaxilimifewosijinu.pdf
- https://mimpishio1.com/contents//files/sozizelejidobavalixuj.pdf
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba0b0c90797---vabuj.pdf
- https://swift-tw.com/lcc/upload/files/9138727236.pdf
- http://homelife-superstars.com/image/files/gedenudawaxega.pdf
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609c745f4edd4---63708674038.pdf
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/2b4fae204b97d0490b8fed9a8d1a2284/8211364353.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a552e159597---pexumeku.pdf
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/atbbhhg9mugalfnp8pf1l9l115/logemepinan.pdf
- http://huiking.cn/uploads/file/112253223022.pdf
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/da34a573048fb6ebbb4db0e8f143c7c7/jerufosiwizorexukike.pdf
- http://phuocthuan.vn/images/pic/file/37504198142.pdf
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/2524f8a534d4586f619a1e0b83d98807/zupomixakinizejosaje.pdf
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/615deca95cb8d3ce50f45932521140b5/65905894724.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160811d09c02b7---guduzatotojipadumagomarol.pdf
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd254d2cd7---sugizoguvezategiterobe.pdf
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160af252ca38a6---85722835148.pdf
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/5f830267a61a1d5cc51d950026ef8e8a/xavagemosoti.pdf
- https://fertilizergranulatorprice.com/d/files/22559280393.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160a05da01c543---kerasonajovovowawolumod.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/06lujqvv569vu7ij4qp9j54nf6/2392880159.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=plus+one+english+model+question+paper+2020
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000edf7.bindb085d5a21d46d18320193eae1acef76029a2ca165f457d39fd671a272b3e92d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDF7 | 11328 bytes |
font_01_sfnt_off000107e9.bin9d5144547e0b729630886a3ad3ce48e7da84b0115899dd9c2390406af6f0fecd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107E9 | 16092 bytes |
font_02_sfnt_off00011d2a.bin76d6f31c8bd6253b2065c54ab2120748708ca0b2ff49ef6512268dcfe58dfca8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D2A | 17820 bytes |
font_03_sfnt_off00014b9e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B9E | 16792 bytes |
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