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://ponafet.ru/strik?utm_term=numerical+analysis+mathematics+of+scientific+computing+third+edition+solution+manual PDF link annotation
- http://getyourcredit.info/nespresso_vertuoline_pods_for_sale_near_me2pxy6.pdfIn PDF document text
- http://maxist.ru/skills_and_abilities_resume_format2ouom.pdfIn PDF document text
- http://tomandbxof.site/syncup_drive_revieww4nub.pdfIn PDF document text
- http://optalpha.com/213419991871jvl6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://2b81f3f0-3f46-42ff-87a7-5865dd96cd3c.filesusr.com/ugd/fb41f9_ec86442292324494b6fe09c50dbb6fc6.pdf?index=trueIn PDF document text
- https://d71fc03c-aea6-48f7-a990-8afffb22108d.filesusr.com/ugd/3de8a6_9dba793a38444ccda99290d3531a7ca7.pdf?index=trueIn PDF document text
- https://e148473a-3d1a-46f8-b788-fbc1f5af68d4.filesusr.com/ugd/e1e70b_375f5dccbf1142849d508bf93272423d.pdf?index=trueIn PDF document text
- https://234a0c07-d908-4261-bb83-16b3c96a9b04.filesusr.com/ugd/73e0e6_fe45c6656d1f482ababe46c416fee9c5.pdf?index=trueIn PDF document text
- https://e8c82854-2a0b-4c0f-82de-bac600ce06e6.filesusr.com/ugd/d017d5_e687f7cff1cd4ac4b5a84ac01a23e5bd.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bomifabipi/vufuso.pdfIn PDF document text
- https://9e269ae7-c3cf-4b9f-bde2-1d9be064b7bf.filesusr.com/ugd/139869_92f1193340a547f3a538bb0341f214d7.pdf?index=trueIn PDF document text
- https://5a1138df-423b-4a5d-a7c7-36223740754e.filesusr.com/ugd/a72fa8_eb87526b44be478ab36be7396a1bc718.pdf?index=trueIn PDF document text
- https://c504e2ef-f928-4e80-b5b1-fc05046f432e.filesusr.com/ugd/247f25_fa634e9fe2a744e795a5a7668e2c729e.pdf?index=trueIn PDF document text
- https://d670dda7-df53-4ef1-8eda-d3256df28744.filesusr.com/ugd/dbbbec_96bfb0cc82304840979533f1a8c1fbad.pdf?index=trueIn PDF document text
- https://d62ff7d9-aefc-4ab8-8cdf-af38868aea16.filesusr.com/ugd/54b9a1_606e89f11f164899805d680e87230d7f.pdf?index=trueIn PDF document text
- https://f26e6bca-ce10-4524-9610-ed5ef7c8d48b.filesusr.com/ugd/ac8c68_5e60523da9d24b2f824add778d244225.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gagagakigibapo/19943220582.pdfIn PDF document text
- https://d05b2b94-0af3-401c-a6ef-75d00d0b58ae.filesusr.com/ugd/3bca44_0b9a69ffbb7e4543926c521c76ecba66.pdf?index=trueIn PDF document text
- https://a871512b-322e-4980-b372-fd74ba483995.filesusr.com/ugd/607883_af4effc349ed4a54b54b00a25e7738c8.pdf?index=trueIn 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_off0000efd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD2 | 5640 bytes |
SHA-256: 1b5b71e62f6816e6ac9d5883e32007e624b6da9dd6bf9c5f18290894ef0d7b6c |
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font_01_sfnt_off000102e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102E6 | 14696 bytes |
SHA-256: 6dcef3bec8fba796ef291882384e945a4eb089b64b46f9c4e7de289a0b41e93c |
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