MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains a link farm with numerous URLs pointing to PDF files hosted on compromised WordPress sites, suggesting a phishing or malware distribution attempt. The document body is heavily obfuscated and does not provide clear textual lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9585
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://nickels.design/ckfinder/userfiles/files/16478679836.pdf
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/653aaabab9eaac627f694947109a63bb/fomagikokunoxorosabeg.pdf
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/be4caf3134a1b346fb81d07d2710d56a/54563849058.pdf
- http://joewhitefamilysite.com/clients/59967/File/45669677686.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160dad187a03c9---84996154489.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0133a812a8---18260434446.pdf
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/e9590d338cac656d9337c48b6b65aa59/75029014473.pdf
- http://gymostrov.org/gymostrov/userfiles/file/setimegulepusib.pdf
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b5ee9551188---79596415793.pdf
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/e9f79fcfa54248557a5ce4983f5e7af4/8019180720.pdf
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/23afd2cfab7c51d362e21a7f49e2fc0e/45814500963.pdf
- https://dichocungtoi.com/userfiles/file/668707660.pdf
- https://canevastoilestjean.com/upload/editor/file/gutipikosexalagukegob.pdf
- http://blueyee.com/upload/file/111349355553.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/16077ad82afc72---pifopuzawibidaxake.pdf
- http://cablexconsulting.com/Upload/file/mijobulabazezekikom.pdf
- https://securityguardsupply.org/php/uploads/file/bedonakiginisixit.pdf
- http://esoftland.com/userfiles/file/44622257253.pdf
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca05a237e1---lazetirakenakef.pdf
- http://cambridgekapurthala.com/damana/userfiles/file/58820312845.pdf
- https://temahr.hr/files/77980140881.pdf
- http://fapannimario.it/userfiles/files/64269008476.pdf
- https://its-bulgaria.bg/files/file/mitubip.pdf
- http://atek-ent.com/upload/file/88760548593.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=the+laocoon+group
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000156e8.bine673631e0fe18423e724ee0b0ab3cd4fbde49884bc769030902251d0fba430e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156E8 | 26880 bytes |
font_01_sfnt_off000197b6.bin8c76565b3b331017be2014cbd6f4ad2df0a6a4b122aab559e3150fa91834f72d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x197B6 | 4304 bytes |
font_02_sfnt_off0001a7c8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A7C8 | 16792 bytes |
font_03_sfnt_off0001bfd9.bin9d3b8336aa80b5c1f1f9b66c5a6d6530e3659491b35d612d2bbfe7575a1cf808 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BFD9 | 18164 bytes |
font_04_sfnt_off0001dca7.bine2c867bd075c3ca3a79fed977a0737de5b96ab98d4aa8c9f9198c4e76e815b17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1DCA7 | 10360 bytes |
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