MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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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://garglob.ru/uplcv?utm_term=pubg+offline+mod+apk PDF link annotation
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/0j9h8aj7ge8m6iqjpgpu8q3vj8/11199818919.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074947e76afe---januzatojigazobomojuf.pdfIn PDF document text
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be3f15c1f85---jasudevaxalibeze.pdfIn PDF document text
- http://dpsszczytno.pl/photo/file/mimepirolarapelanidagubig.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160812da911d14---64251835978.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/133911e8f8345089308fd6c8b61c11d2/galuverejet.pdfIn PDF document text
- https://etonbio.com/newsLetters/images/file/71700801314.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c667b0631f---1048392267.pdfIn PDF document text
- https://advik.net/userfiles/file/vobutiv.pdfIn PDF document text
- http://sjhrz.com/images/upload/File/49001381903.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071a7a508572---884860419.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/160006172473.pdfIn PDF document text
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160861897e96e2---22568860751.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/b5b95e059780276f36dfe1bc56383fda/73592770074.pdfIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f36e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF36E | 5092 bytes |
SHA-256: 40941ba89becf2550bdc1a502d2e1123769b0632bb5380f5f29b67272308608f |
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font_01_sfnt_off0001049c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1049C | 11068 bytes |
SHA-256: 9356f0860a5f391b803256ce9441c8f848d499c808dc08dcde363774f24b8f97 |
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font_02_sfnt_off00012a59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A59 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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