MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links pointing to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to redirect users. The primary purpose appears to be directing users to potentially malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://begemot-rus.com/uploadfiles/file/2021080107295173499.pdf In PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/454dcd091e87f7f6993f3f965a2f04db/zigafefuxawanu.pdfIn PDF document text
- http://sskj.pl/userfiles/file/kevixividulalowakize.pdfIn PDF document text
- http://sallytour.com/FileData/ckfinder/files/20210721_954080E9A90771FD.pdfIn PDF document text
- https://uleshuzataruhaz.hu/files/file/mawanugamo.pdfIn PDF document text
- http://nacyc.jp/Upload/file/22854922095.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/n5l8go267n54v0ijb2s4rhn1s6/joxedinobijixa.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/raser.pdfIn PDF document text
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/8796b9ab120ed201eea93e3c42260bcc/2912919667.pdfIn PDF document text
- https://majubesar.org/contents//files/67692430050.pdfIn PDF document text
- http://www.siscbolivia.com/admin/uploaded/fck/file/73023572533.pdfIn PDF document text
- https://laptoptranganh.com/data/dulieu/files/5015317464.pdfIn PDF document text
- http://associazionemillesogni.it/userfiles/files/sivukixigujotaretikez.pdfIn PDF document text
- http://bestbuyfromindia.com/userfiles/file/8062071242.pdfIn PDF document text
- http://wardwrightself.com/clients/863644/File/lobulubuxukufugesako.pdfIn PDF document text
- https://chung-pei.com/userfiles/file/49441919733.pdfIn PDF document text
- http://lungshingcentre.com/userfiles/16019873330.pdfIn PDF document text
- http://biomehl.com/images/content/files/98455717038.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/56c69a821508aa07bc07f78b24b8341b/80287298469.pdfIn PDF document text
- https://tecnibat.net/uploads/archivos/nitep.pdfIn PDF document text
- http://saydersan.com/firma/files/5998062596.pdfIn PDF document text
- https://sukaunited4d.vip/contents//files/romodemomidizive.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=diziler+seriler+pdf+soruPDF 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_off0000cdde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDDE | 10288 bytes |
SHA-256: a90fcac3c4eeff4ca00051bfd5203c820b2b1b2a414dcc1d46cce929f5492595 |
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font_01_sfnt_off0000e529.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE529 | 20032 bytes |
SHA-256: 136773a8cc83cb1908565b6e0d28f55a4b7bf06888aadfb18faaccd3e64c696c |
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font_02_sfnt_off000116af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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