MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, identified as a link farm, with one prominent URL pointing to 'fokemale.ru'. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicate a malicious intent to redirect users to a network of sites. The ML classifier and ClamAV detection further support the malicious nature of this PDF, classifying it as a phishing or trojan variant.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://fokemale.ru/strik?utm_term=practice+sat+writing+section+pdf PDF link annotation
- https://xejukogafowoje.weebly.com/uploads/1/3/2/6/132682905/nafodudozumi-jazebi.pdfIn PDF document text
- https://cdn.sqhk.co/zosiwutu/Ziwiahb/pivelinokinebed.pdfIn PDF document text
- https://puwulafu.weebly.com/uploads/1/3/5/3/135329465/fexitilirosafo-kerumegeru.pdfIn PDF document text
- https://sojagifuwolu.weebly.com/uploads/1/3/4/6/134689160/lobinawuxitalu-fuwun.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4412889/normal_5ffaac1c4b265.pdfIn PDF document text
- https://cdn.sqhk.co/fekebazi/ijjjgmb/nails_salons_open_late_today.pdfIn PDF document text
- https://cdn.sqhk.co/joxomawezu/7wLhijd/42357922968.pdfIn PDF document text
- https://kelebewo.weebly.com/uploads/1/3/4/3/134359650/popupag.pdfIn PDF document text
- https://cdn.sqhk.co/jinubodilev/hh6ihY2/passport_photo_maker_free_key.pdfIn PDF document text
- https://simefaburiso.weebly.com/uploads/1/3/0/8/130814859/97b3c36.pdfIn PDF document text
- https://xijapesulole.weebly.com/uploads/1/3/4/5/134588017/207f4.pdfIn PDF document text
- https://detosujedeke.weebly.com/uploads/1/3/4/3/134371576/4618506.pdfIn PDF document text
- https://tinonerapize.weebly.com/uploads/1/3/5/3/135349756/e7ba64bf927f.pdfIn PDF document text
- https://waxevinibiwe.weebly.com/uploads/1/3/0/9/130969944/8605554.pdfIn PDF document text
- https://cdn.sqhk.co/vixemujomu/kgdNWge/star_wars_flight_simulator_pc_games.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4407318/normal_5ff2237b17fd0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8ed62699-7d02-4439-b935-4286882ef7d4.filesusr.com/ugd/229b11_cdef70ae0e7d4175a7ac53b4d9fc63f2.pdf?index=trueIn PDF document text
- https://ede8a7a3-2377-4e09-926a-401222b31c25.filesusr.com/ugd/81c89d_5d36134f0a51412281c5adabc78ac343.pdf?index=trueIn PDF document text
- https://08b4a39d-fa16-4eaa-91be-ae90003cacb9.filesusr.com/ugd/237bf7_fcd99677832c493db0ca755d7817b297.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/salosibejodod/free_app_messenger_lite.pdfIn PDF document text
- https://5a1138df-423b-4a5d-a7c7-36223740754e.filesusr.com/ugd/a72fa8_a1caab0f03814782a27fcde5d20373cd.pdf?index=trueIn PDF document text
- https://29ca30ec-7ad4-487f-8637-d2d67f3a323c.filesusr.com/ugd/10b11f_2a0588a1b7f24bb2a0885362d89331b5.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/najipavez/mesomaxufi.pdfIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000129be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129BE | 5384 bytes |
SHA-256: d7883a075bd316e10459c4fb9e43f9e5c73444f7f3b8e85e1c305923c2f029e1 |
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font_01_sfnt_off00013c33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C33 | 11328 bytes |
SHA-256: 45df12126d553724ffb3065fda1e539a60c2646b1a846958761f0afd71ef6dfa |
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