MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs pointing to compromised websites and potentially disposable hosting, suggesting a phishing or malware distribution scheme. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075504290290---21401710179.pdf In PDF document text
- https://makeswebsites.com/clients/c/c8/c8c605999f3d8352d7bb792cf3fdb25b/File/42676640141.pdfIn PDF document text
- https://ahreco.com/uploads/news_file/4753887779.pdfIn PDF document text
- http://asesorgubernamental.com/images/file/rapufom.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160afdbd05143b---2167140219.pdfIn PDF document text
- https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/21923ca54ae40ae81979ce68138912a4/lepufo.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/spcrluiefifib6hq83r4nt98b0/xisomitapekopesazab.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16081f689d19c0---wumaxipanexopuliwapiborol.pdfIn PDF document text
- http://africanhairbraidingsalon.com/userfiles/file/zelelivupopiwuweropeku.pdfIn PDF document text
- http://chinalabware.es/d/files/66569058156.pdfIn PDF document text
- http://numismatika-nbkpdy.cz/userfiles/file/28465186174.pdfIn PDF document text
- https://ivaco.it/file/12294470473.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/qbman398217gmuhn2vkmsm1mp3/82537763809.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/o47na7i8qo7vnsnr7jjdq8tod6/29939101429.pdfIn PDF document text
- https://www.leeja.co.uk/wp-content/plugins/super-forms/uploads/php/files/f5004d7bdd9c0c3e94d7341977850e6a/4305897916.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/ddb9d73defbcb7699e15aef26bbef537/gixugigiwesaturuduw.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/1e5seg7nkg6lruige566q90uhf/kinitawidifalawunitu.pdfIn PDF document text
- http://ankurgroups.com/userfiles/file/jupanupokimuvonito.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/5taqhh6chvinsmteh617d9fq63/69662776116.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/id9vo6l4ohn15obv4oicv9n1u3/seronakovepevoxin.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/v8q6evs1l7d46a6fu8o9f1bih4/8116237067.pdfIn PDF document text
- https://binarbaidequipment.com/public_html/userfiles/file/22533692056.pdfIn PDF document text
- http://bjhtdszdh.com/v15/Upload/file/2021614531216888.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609eadc4d557b---10929240464.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=pdf+powerpoint+presentation+with+animationPDF 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_off00010695.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10695 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011ea7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EA7 | 17020 bytes |
SHA-256: 16d159360ce08c36f73a7f3013d0ce7dd7aed34cc081b9eb7143b8df172d8861 |
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font_02_sfnt_off00014b26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B26 | 10804 bytes |
SHA-256: 926703eb29ccc22a7047c84284b49ebc09fbded814e18b0413700d5dac9ca036 |
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