MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, indicating a phishing or trojan threat. It contains a link farm with numerous URLs pointing to compromised WordPress uploads and disposable hosting, likely intended to redirect users to malicious content. No scripts were extracted, but the structure suggests a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/n8rjvg36a11256nc3midd5qeq1/52450236739.pdf In PDF document text
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/fd11af1afd8fc070168ab1bfc727b0c7/58631906222.pdfIn PDF document text
- http://sieuthibongda.net/ckfinder/userfiles/files/7733568152.pdfIn PDF document text
- http://apluskleaning.com/admin/images/file/76754818655.pdfIn PDF document text
- http://askort.pl/Upload/file/xirabawutoxorozofezafex.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096a5f956955---legisigorarematemej.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/cea50a15b14d89ac9170354f4781e383/33780549736.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/b02531ieifnpjon6fpcvi76d42/96025308702.pdfIn PDF document text
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5416d8c2c8---51006333518.pdfIn PDF document text
- http://datev.hu/ckfinder/userfiles/files/53849805046.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/744046b3c90ffb5f636392b54d164a32/gawutupulexupekaze.pdfIn PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a79cb47627e---7115325156.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160839c5b6a6ca---gamopozizereluj.pdfIn PDF document text
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/38327b563387745b1b0f9da31b8d665a/18792288246.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/f17f680a8b9c80f2d090efefe87fee9a/zunofumuzu.pdfIn PDF document text
- http://pallenberg-busreisen.de/uploads/files/zigotilalomabekowugajov.pdfIn PDF document text
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/k7a1vjkjq71dmande767554ln0/vegewadapov.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/310567767985dfecffe5847070a60a0d/83925342221.pdfIn PDF document text
- http://jjmcp.jp/userfiles/Image/file/87368275784.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160823bc224347---zebepenowagasijabotamef.pdfIn PDF document text
- http://griswoldremgmt.com/uploads/files/50887446300.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609ecc2e4bfda---mufasojisodotapijijas.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/57db67d3101da96a620d7116aa867a38/vaxoxelezanilagixiloxula.pdfIn PDF document text
- http://thaoduocquyhiem.com/userfiles/image/file/61009801120.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=coin+laundromat+near+mePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fc76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC76 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001148d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1148D | 10372 bytes |
SHA-256: 17f79136ca70750ba18c89779a8fffabfdf7dd7071c60c04d7b4092178170a03 |
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font_02_sfnt_off00012bf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BF5 | 16540 bytes |
SHA-256: 770047f4ab53b5feea9a55b79abaef508159e8fad9f74645b3b88b3b9734eea6 |
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