MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as malicious by ClamAV and an ML classifier, with heuristics indicating it's a link farm hosted on compromised CMS uploads. The numerous embedded URLs point to various domains, many of which are associated with compromised WordPress sites, suggesting a phishing or malware distribution scheme. No scripts were extracted, and the document body was unreadable due to encoding issues.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/ak6vkhk7fe7v3r2ndkk9n5nt96/zukutuxoponejisesi.pdf In PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/c1p6emmpj0mqp175bp0ih2f4fl/zobidexutisaxulan.pdfIn PDF document text
- http://tndgdemo2.com/ckfinder/userfiles/files/71749308321.pdfIn PDF document text
- http://vietcem.vn/public/default/ckeditor/files/10244961973.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a40dc0e8c9f---40316399148.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608fc6db2d768---felivirosumunexakilexuruv.pdfIn PDF document text
- https://danielstrehlau.com/userfiles/file/39518411165.pdfIn PDF document text
- http://tokstar.com/_UploadFile/Images/file/54561049685.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160829a60c6e60---xofirivawuzuwi.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/o8t439et9t4c8p4b2m0llqu964/29994906934.pdfIn PDF document text
- http://galluccifaibano.it/userfiles/file/23178241204.pdfIn PDF document text
- http://vnos.vn/app/webroot/uploads/files/sedobukexolizim.pdfIn PDF document text
- http://lohsclassof70.com/clients/3/31/31ca850ff086a58b81c8700e10a01852/File/xitufijepexaderi.pdfIn PDF document text
- http://tlxzkj.com/uploads/file/272252154661.pdfIn PDF document text
- https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/e037b23da0cdc8829ca1b7fa6c1b9b48/19286482082.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/3daa36736a1ad423581d20043e533662/bonegikukedobolap.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e8c12838f---55410645539.pdfIn PDF document text
- http://seibyou-koujien.com/files/files/289735585.pdfIn PDF document text
- https://maxflowfans.com/userfiles/file/76194643062.pdfIn PDF document text
- http://onlinemidias.com/ckfinder/userfiles/files/90566330122.pdfIn PDF document text
- https://edusfera.pl/upload/file/sokubejulobajasoluber.pdfIn PDF document text
- https://iohrp.org/f_files/files/47035108186.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d180c52b4a---gudebukajarefuwel.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=it6005+digital+image+processing+notes+pdfPDF 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_off0000cf57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF57 | 11336 bytes |
SHA-256: a92a3b71095e0b21a281f774b71a5bf8b2b1623b0096d9256125b538b798834c |
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font_01_sfnt_off0000e9c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000101da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101DA | 17212 bytes |
SHA-256: b5593ef6e2315785232a10e85f50c9193e420489410d7e1252a21b68cfea3ecb |
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