MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to compromised WordPress upload directories and other disposable hosting sites, likely to download further malicious payloads. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics confirms this behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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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://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608aa53c952f1---talonovupusirixatazekuw.pdf
- http://wych123.com/upload/files/pikoxorekugomiluvu.pdf
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081471be9a81---72984719230.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/811e84ab2c9f596d1da99f9843e17433/xexola.pdf
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/1mokuchf9sodebrkj6r5m5tcf1/livagul.pdf
- http://coinproject.com/userfiles/image/file/12006713598.pdf
- http://hzdsbg.com/uploadfile/1622162614.pdf
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d07686df7d0---purikunazaxodapuko.pdf
- http://anhuifan.com/upload_fck/file/2021-6-18/20210618231428390620.pdf
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608f19ccf2470---mabomijowurozif.pdf
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092b30573e81---jezakuwejumijezona.pdf
- https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/26a5616a2eaeb559fc1988621d88cd7e/rukivade.pdf
- http://savvyais.com/userfiles/file/xejoxeramogejurimo.pdf
- http://cfacgroup.com/uploads/FCK_files/file/kaluwusimumu.pdf
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/0af2619ecc2322db494f2d2f01b1275d/zefaragogolebimapok.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b55c340c99d---bexuwugomajog.pdf
- http://24cvety.ru/upload/files/wikepowezadakipu.pdf
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/5cdb9aef67a1367b0fa904352087a778/rozoxifitubufipazela.pdf
- https://koncnc.com/genelresimler/file/wogixusimolule.pdf
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff770c28b4---32936316844.pdf
- https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/a8895ec810dd6ad2241c94c98226ce01/68984048730.pdf
- https://a2designbg.com/userfiles/file/vibuwenoxibasafafewufomid.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8c697ab4f---sudijozop.pdf
- http://de-ko-gmbh.com/ckfinder/userfiles/files/gelatagisilixapasufuvugub.pdf
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/dmpihsa6dk8nbatk9pre7e9k86/52962972267.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=sacred+contracts+pdf+free+download
- 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_off0000fe77.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE77 | 16792 bytes |
font_01_sfnt_off0001168e.bina00a56161f62dc934d2dd6667d2fef0770f9b9246e173b1496d4fea7044ade8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1168E | 10684 bytes |
font_02_sfnt_off00012f3d.bin47b394d95c66c56ef09f87080b2f751d58bb3da17beed000ddfc6f526f72dcac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F3D | 17172 bytes |
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