MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or are part of a link farm strategy. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or distributing further malware. The document body is heavily obfuscated, preventing a clear understanding of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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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 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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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 http://szalkasszorutacskok.hu/app/webroot/files/content/files/xugedamerita.pdf
- http://studiomanzella.com/userfiles/files/pifuwibu.pdf
- https://menu2uplus.com/images/file/41784384432.pdf
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/249bcc6796613bde153af4a014af0603/tuxokuliwuxi.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca419d6a1a---lenufasawifase.pdf
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a127452562e---44844900299.pdf
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/e34ec8728fd6220640da66ea540dbf7e/viwitalazifuxetenoj.pdf
- http://i-dron.cz/data/file/38468834488.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/tahlg6ms1ib7oht78aqqq1rns7/pidalajim.pdf
- http://backkwang.com/userData/board/file/79051152448.pdf
- http://alpha-th.com/userfiles/file/semerezuwi.pdf
- http://1-cx.com/ckfinder/userfiles/files/40785568548.pdf
- https://anfauglir.com/images/file/14852207499.pdf
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a043936d25b---99091849287.pdf
- http://chayka-svg.ru/files/21024259793.pdf
- http://tycoonmedical.com/userfiles/file/73493179451.pdf
- https://accesoriosalmayor.com/images/userfiles/file/wedidomajaripu.pdf
- https://alshaabcoop.com/userfiles/file/tixuvosisazojetakanegilug.pdf
- http://www.elmundodelapiscina.com/ckfinder/userfiles/files/38717323663.pdf
- http://hoaisonland.vn/upload/files/fofipaxomopedetoj.pdf
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd6258a12d4---fexajozobewugokalarawib.pdf
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a890c52f9a5---66675557585.pdf
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7bd79f60a---larifusutebavufa.pdf
- https://mangallagn.com/images/file/66009186517.pdf
- https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/dce12419c4dc6b97977cfaa1a1751b5e/kixaratetabamabetewale.pdf
- https://jerseyshorepirates.com/userfiles/files/kigapa.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=linear+programming+multiple+choice+questions+pdf
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c7b8.binf96b09c0b02f92c08db13157b38f1e7539813640c34b8f4b54e1455d1735d64f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7B8 | 11268 bytes |
font_01_sfnt_off0000e16b.bin9f17e3cf22ba579a63522802cabee96f80140fb89afb6807e9f8c7522dcad5f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE16B | 19836 bytes |
font_02_sfnt_off0001141a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1141A | 16792 bytes |
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