MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm pointing to numerous compromised websites, likely intended to lure users into downloading further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The presence of multiple links to compromised CMS upload directories suggests a pattern of distributing malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9069
Heuristics 5
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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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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://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ada8171d870---roxapinabizuzuwisuwedosa.pdf In PDF document text
- https://bistakalikotenetwork.com/userfiles/file/xodadefofupaxi.pdfIn PDF document text
- http://www.rify.us/cms-uploads/files/nilunazozemezew.pdfIn PDF document text
- http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/16085c2e139ca9---ruxoniruxuzi.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ec4320c7976---95720853245.pdfIn PDF document text
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/2dc06731c8bd09cac0b4d764315145e1/68614237038.pdfIn PDF document text
- http://kurskodkb.ru/page_edit/_samples/userfiles/files/fitaluxur.pdfIn PDF document text
- https://listapp.in/ci/userfiles/files/13507946179.pdfIn PDF document text
- http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/61419230477.pdfIn PDF document text
- https://flexi-cms.com/uploads/file/zezozomewapebemutisidisox.pdfIn PDF document text
- https://banderlogclub.ru/Files/file/10933668408.pdfIn PDF document text
- https://sedefartphotography.com/resimler/files/16988670026.pdfIn PDF document text
- https://cursosgratuitosonline.es/wp-content/plugins/super-forms/uploads/php/files/j51gem5o5qv86u0ujgaecdo7b4/tedivowozex.pdfIn PDF document text
- http://kemmurad.com/webroot/img/files/53419480240.pdfIn PDF document text
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/b8a9e15b966db0ba6967ed66f5e7bb4f/49586783482.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608196a5dfd16---80100160041.pdfIn PDF document text
- http://futurepoolandspa.com/ckfinder/userfiles/files/jesenabivixuxege.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ffa17140418---zadijuvetevanetarotuzatu.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/pe39pvi5qjlbftr8cn5crrvssv/xulitogu.pdfIn PDF document text
- http://ssteelelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rubivonejavutu.pdfIn PDF document text
- http://aisef.org/uploads/userfiles/file/file/78724411133.pdfIn PDF document text
- https://ntwbearing.com/UserFiles/File/74063689562.pdfIn PDF document text
- http://keitbg.com/images/files/4977968590.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/3t9eu0ih71hqgv9225hvg4b8a0/96832213048.pdfIn PDF document text
- http://amoy-art.com/Upload/file/747437974.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=strategic+management+of+technological+innovation+4th+edition+pdfPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d81e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD81E | 11120 bytes |
SHA-256: 69026798e074d5fdd450768b09cd39486717a4af7a210a30ded25450514c5725 |
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