MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document functions as a link farm, containing numerous URLs that point to compromised websites, likely serving as a distribution point for phishing or malware. The presence of multiple external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic further support this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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=stylish+letter+m+images PDF link annotation
- http://xedaptap.net/userfiles/file/fenurodeberevobulijolubi.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/89de8555e8c4560223f5cda751c27a7f/83317556329.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/832d7e3dfdc53cc1f4d05684c2a566a0/liwijotidodofimudanaj.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/505eb26837e823c1d8518ae110ffa5ec/pegewafomuledefoxeposote.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/e8a9704d6941c0a83e4a207cbea4a894/tenij.pdfIn PDF document text
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/24f4f20cfe51c5deeac55b74dd4489fd/lojebenujepavarulokati.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160926560afc43---mokojud.pdfIn PDF document text
- http://asbufestival.com/uploads/FCK_files/file/79249676384.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad878fe00b6---65890378918.pdfIn PDF document text
- https://himalayanwanderer.com/himalayan/userfiles/files/83529635290.pdfIn PDF document text
- http://aklond.com/UploadFilesfile/%5C/2021043005422514.pdfIn PDF document text
- http://limitlessillusion.com/wp-content/plugins/super-forms/uploads/php/files/60eca1915495558dfbfdc9d0b315708d/sefukuwuwumitizij.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/32ce1932edbb77c1e8f6f6ecc0baa03d/80796348083.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad3e779cbb---riseronefexuw.pdfIn PDF document text
- http://alliance-ltd.com/userfiles/porilorebon.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_004_off00011fa0.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x11FA0 | 18552 bytes |
SHA-256: c41be0161c57f8813573385e7684a60748f53a17f22a3f0493bb90f325816052 |
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font_00_sfnt_off0000e959.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE959 | 5304 bytes |
SHA-256: b688532f7b3a3fe52a4e39b84095229c7c791a08eb045e89c610c2981ead02ec |
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font_01_sfnt_off0000fb3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB3E | 10628 bytes |
SHA-256: 0797c8103962bfa094dd86cb6d0e3fa060d711d03dfedc9750114bc5eace4095 |
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