MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or redirection attempt. While no scripts were directly extracted, the nature of the URLs and the detection indicate a malicious intent to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/c3e1ddfca0cde9948793ae5e5c471e8e/86320198516.pdf In PDF document text
- http://everettsbarbque.com/clients/b/b0/b0b566c85bab127526a414587b81487f/File/monujalatize.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a3fe681677f---64638920006.pdfIn PDF document text
- https://juhaszautovill.hu/userfiles/file/33982935978.pdfIn PDF document text
- http://short-story.ru/upload/file/muxovu.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/51f446717e1eb54087079bfedf45de30/94738103397.pdfIn PDF document text
- http://ymmicro.com/files/files/wizobolejisuvodanodex.pdfIn PDF document text
- http://amphorabeautyclub.com/campannas/file/54989221097.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/dceqgoago1p012l2cltgh7tr0c/42736431052.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093b4da3ea93---36377763149.pdfIn PDF document text
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/vdt18dh6d59vidm245v4o5egnc/roxibopanara.pdfIn PDF document text
- http://sushi-belovo.ru/files/wumubidijibinovive.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16085f71246846---kowal.pdfIn PDF document text
- http://khiconghoixuancong.com/Khicong/admin/userfiles/file/6848311161.pdfIn PDF document text
- https://anmoul.com/userfiles/file/wekokumegi.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160722065c7df5---9757296688.pdfIn PDF document text
- http://truhlarstvi-strakonice.cz/files/file/41961423307.pdfIn PDF document text
- http://vietthanhstone.com/images/news/file/6570915162.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9b7d14a031---48747725743.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/083efa877d0f724284413a3cfb370353/91247965194.pdfIn PDF document text
- https://nabsangram.com/userfiles/file/12776673809.pdfIn PDF document text
- http://kimwendelldesign.com/ckfinder/userfiles/files/98957019283.pdfIn PDF document text
- https://cultureresortpokhara.com/assets/userfiles/files/pimawakuniwefaxamupijuxir.pdfIn PDF document text
- http://fitviewer.info/files/file/14970096308.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=latin+dictionary+pdf+freePDF 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_off0000ccdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCDD | 17368 bytes |
SHA-256: 8874a00d5ff1e2930b0b511fb41374eda460b227bf5f18cb39722a9d764770c1 |
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font_01_sfnt_off0000f8fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8FA | 10468 bytes |
SHA-256: 8c684c3733935eb7ff4513f2aeda11604f0340d95826229929a0dd4207f070e2 |
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font_02_sfnt_off000110e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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