MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The presence of multiple external URIs and compromised CMS upload links indicates a deliberate attempt to leverage external resources for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://connatlas.com/home/conn/public_html/ckfinder/userfiles/files/23988516353.pdf In PDF document text
- http://rocincorporated.com/domain.com/images/dynamic_pages/file/10090990423.pdfIn PDF document text
- https://africanresearchcenter.com/userfiles/file/72153027555.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/1e29ac552acf61d9094d32e6b32b1ea1/mekagimadov.pdfIn PDF document text
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160895af4199e1---moxisoriziwavozoxumef.pdfIn PDF document text
- http://finproekt-msk.ru/userfiles/file/67170491709.pdfIn PDF document text
- http://yngc.ru/admin/ckfinder/userfiles/files/tidutedokiximawefaneke.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/lnd9jaghbh0aqag17844v2ghc7/60035141433.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/9a590328144e3171d0152fd25aa47f67/88342723333.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/jpb1un2538lv5s5e0c6mea2683/29875029750.pdfIn PDF document text
- http://dijladentalcenter-qa.com/userfiles/file/pesuzewunefaburubun.pdfIn PDF document text
- http://bet-balance.com/userfiles/file/34430718895.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160998391964a9---72382705662.pdfIn PDF document text
- http://nessium.fr/userfiles/file/wipodirexodizizogafag.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b097ebeb10---55183346642.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d3fa7a6a7c---poxotuzagafojub.pdfIn PDF document text
- http://extracam.es/app/webroot/arxius/file/63987360409.pdfIn PDF document text
- http://hilimall.ae/uploads/files/konumuj.pdfIn PDF document text
- http://matkinhantai.com/luutru/files/lijidagudakopa.pdfIn PDF document text
- https://deniz-sogutma.org/img/userfiles/file/6857849941.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160b2c620d97d0---59198826223.pdfIn PDF document text
- http://ledseoul.com/userData/board/file/77782090475.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070949b12f5a---52667222680.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=effective+essay+structurePDF 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_off0000e776.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE776 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF88 | 17152 bytes |
SHA-256: 985925585f47fdb93688f591ae8d61781631af3358b67f09cefffb8ab9e051fa |
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font_02_sfnt_off00012c27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C27 | 10324 bytes |
SHA-256: 300bdfc0c0a7ee355694054f30b7fdd5f0fe51a5f08c7df7c85536a6a64b4967 |
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