MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm pointing to compromised WordPress upload storage, suggesting it's part of a phishing or malware distribution scheme. The embedded URLs are designed to redirect users to potentially harmful content, likely to facilitate further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a5a24046ec0---72727894100.pdf In PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16077e6e8df2ea---49889127685.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1606f17c921e48---vapawovijabu.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160c8faeb3baf7---2132321034.pdfIn PDF document text
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/303e800da58fb868e3bbf9a8a0d04f4b/96806574312.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/9e7e54d48dfe26316aef80ffd91fb4d5/nisej.pdfIn PDF document text
- https://kis-u.com/page_data/file/20210602234512.pdfIn PDF document text
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609c7ab4c3a4a---lizivozesemirutipafubu.pdfIn PDF document text
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/1c709bcc6b3f3cb38b11a32bb185c12d/nusidobexurez.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16092f1d86f11f---xezoladozerikunik.pdfIn PDF document text
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/15e326468556f5a1739e1255c960392e/88541507236.pdfIn PDF document text
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/9126ccd295fd8fb7f67793402f8dcf51/58771809944.pdfIn PDF document text
- https://manuscripthandler.com/userfiles/file/ferafiwapotoxud.pdfIn PDF document text
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/6bd1836e17b1e84b661a774ebe31612c/59758344926.pdfIn PDF document text
- https://inncredel.com/uploads/nosog.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=14+day+boiled+egg+diet+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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e782.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE782 | 5220 bytes |
SHA-256: fb4d985f264ac76c35d9a7aff1bd8522ca7d9095709c3432a359dac3b6175b2e |
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font_01_sfnt_off0000f971.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF971 | 10864 bytes |
SHA-256: e69819df979241b6fc40f5a3b745e31c920a546db104138e7640ce39c370e256 |
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