MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, pointing to numerous URLs hosted on compromised WordPress sites. These links are likely intended to redirect users to phishing pages or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/b0780821954fb9a1694eb541909f13a6/17105588799.pdf In PDF document text
- http://kythuatviet.vn/uploads/userfiles/file/89066282945.pdfIn PDF document text
- https://serwisnawigacji.pl/userfiles/file/59642194306.pdfIn PDF document text
- https://syteq-pro.com/userfiles/file/rinebepomikaki.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/8u6e3r66epmefar4alpppgffic/rukofuxux.pdfIn PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/ddf39d9e2d5bcda496293febb3dfc836/vulawepigodepu.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/72aa226e2d7304a959f42abc9bb779af/67016587473.pdfIn PDF document text
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/f4e293d730a68001e0d58a84c954d963/75880294918.pdfIn PDF document text
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607adfc2c268b---nopozepakarimubutinanewus.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d96fa0bfd---68795573660.pdfIn PDF document text
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/5c39f0862921c12da225859fb4388e90/55751699444.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/fcc712cebb0c5a5792166140ca8ed5b9/webekexereninulaxabovaxe.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/3fb75854075688673d9f6a7857fd7b74/77929008643.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/81b713379f6ea7a0b0d2dd6b8aeecdb0/naropokudasire.pdfIn PDF document text
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/0527a871333972720df6a7019a276a38/22987315707.pdfIn PDF document text
- http://meadescafe.com/userfiles/file/11336668082.pdfIn PDF document text
- http://terezmisszio.eu/files/file/96725487945.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607034f3d5309---zufuwetowujemu.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ac4c0915d2e---delozuwurifivolixobopunid.pdfIn PDF document text
- http://maslag.eu/userfiles/file/jodimata.pdfIn PDF document text
- http://aklond.com/UploadFilesfile///2021060900212926.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16073662b59631---65645580706.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/v13b66h2mafi7iu441cvqkq9ck/38003291496.pdfIn PDF document text
- https://equator-maritime.com/userfiles/file/janewepopudavebipotu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=the+book+of+lifePDF 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_off0000f3bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3BC | 9872 bytes |
SHA-256: a7538a904bb62004639a8a19829adb91d2b3da2f7f8578a9e38f4cd57a595d09 |
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font_01_sfnt_off0001098f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1098F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000121a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121A1 | 17244 bytes |
SHA-256: 1fc1710a9900e8312270404421a6821d409f7e9153271858d52506d627f069e8 |
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