MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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://cructi.ru/pbw?utm_term=free+resume+maker+cv+maker+templates+formats+app PDF link annotation
- https://lodufokokafapav.weebly.com/uploads/1/3/5/3/135346761/wuxonupitidaf_kaliligozakifa_jixija_sikosusufu.pdfIn PDF document text
- https://wirejosesem.weebly.com/uploads/1/3/1/8/131856641/6199762.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4468551/normal_6016ebf2438a4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403141/normal_6039fc127fd7d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408719/normal_604b21a3a80d2.pdfIn PDF document text
- https://bulurumuz.weebly.com/uploads/1/3/1/1/131163623/vopafakova.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403143/normal_606043480e19c.pdfIn PDF document text
- https://ledifufopore.weebly.com/uploads/1/3/4/5/134524185/7680327.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452398/normal_601a7d7118f00.pdfIn PDF document text
- https://xajomorunineg.weebly.com/uploads/1/3/1/3/131383441/5068996.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368266/normal_5fda696d11db3.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zeratuwolima.pbworks.com/w/file/fetch/144536361/40203746311.pdfIn PDF document text
- http://sawanixum.pbworks.com/w/file/fetch/144521466/job_offer_letter_from_employer_to_employee_australia.pdfIn PDF document text
- http://mevuteled.pbworks.com/f/xudebumiferamanumewoxe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/57cae370-12ab-4f3e-89e3-d964cc1c8f77/sat_test_dates_2020_locations.pdfIn PDF document text
- http://risoxef.pbworks.com/w/file/fetch/144444831/46338492183.pdfIn PDF document text
- http://jolowajuwijo.pbworks.com/f/pusubugosox.pdfIn PDF document text
- http://pusavivo.pbworks.com/f/66224709116.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cc258f90-ff2d-4654-a3c4-b9d6158212f7/blade_mlp4dsm_4ch_transmitter_manual.pdfIn PDF document text
- http://pobonagul.pbworks.com/f/greek_and_latin_root_words_worksheets_5th_grade.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_off0000ddeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDEB | 5240 bytes |
SHA-256: 0f0cdc4b42a920a50fe516af6c6226a14f769cb7b1d359a8be5ff507dd297392 |
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font_01_sfnt_off0000efb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFB4 | 11212 bytes |
SHA-256: 14046e3a35651fa479e0939898206f32038889d9ae063edfb11e3eb43f58c18c |
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