MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites and are designed as a link farm. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution. The document body, though heavily obfuscated, contains text related to a 'burial invitation card', suggesting a social engineering lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://crewmak.ru/uplcv?utm_term=burial+invitation+card PDF link annotation
- https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/e8a9bc4c7913b3a54e0e500b35873eef/fugene.pdfIn PDF document text
- http://bronia.org/userfiles/file/dulevukor.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160832aae9a796---28851352473.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ba2dbab8dc4---94691253685.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/e6f1f207908srhob43he7ngm01/82274925031.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a5cea64fa06---rinevowakulawigomokon.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/aciqm5bc402sd2151fpqcqk8bp/45219071050.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/16084f5745e6ce---kapemu.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/bttdqfca5k9rb9nnlkbda3jqh1/9762679412.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/f6234f7a6ca0d3a4abf8db4d199fb30b/98631313630.pdfIn PDF document text
- https://baongochoa.com/upload/file/xililirozudobifidiweni.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce1edc1e50---figijugejifeder.pdfIn PDF document text
- http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/vuzimanatilepulezewanemeg.pdfIn PDF document text
- http://chixue.com/uploadfile/file/20210522015923.pdfIn PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16090a468aae9b---50764631428.pdfIn PDF document text
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/4e9c3d09b8bc184049e5269e9f86db96/riwekunanitigifepoduj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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_off0000d640.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD640 | 4864 bytes |
SHA-256: 7b45178d95c97578e8835b9519efb89df3ab15583fa46c965bacd0a180b3f91f |
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font_01_sfnt_off0000e6dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6DD | 10656 bytes |
SHA-256: 2b33ec8869433f1ff3c36910018c43bad3d7c154b1b291847d82462da94e1840 |
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