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 0.9991
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://nipisod.ru/strik?utm_term=sat+reading+practice+tips PDF link annotation
- https://cdn-cms.f-static.net/uploads/4425514/normal_5fe6a1761bc69.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4392215/normal_5ff6b0f6c1b2c.pdfIn PDF document text
- http://rostov-mobile-doctor.ru/gokatunugifemuwepawekitingy7q4.pdfIn PDF document text
- https://mipajadotafev.weebly.com/uploads/1/3/2/8/132814286/dasegajomu-kebaw-giziti-pinofubekuser.pdfIn PDF document text
- http://vkysnaya-eda.site/how_to_replace_epson_et-3750_maintenance_boxmlnc4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385413/normal_60346032d404f.pdfIn PDF document text
- http://requiredjokblog.com/different_types_of_illuminated_manuscriptsiwn7t.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366042/normal_606dcebd86143.pdfIn PDF document text
- https://pawirijox.weebly.com/uploads/1/3/4/7/134701745/5565997.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412573/normal_602fa23d630be.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475209/normal_600f01806f441.pdfIn PDF document text
- https://xadifopelizil.weebly.com/uploads/1/3/4/7/134771643/4088392.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417023/normal_5fce18475c3b0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450728/normal_6065b470d5597.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409614/normal_604d1b8512f0b.pdfIn PDF document text
- https://terifurarogo.weebly.com/uploads/1/3/4/3/134317228/0294f711ef.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379237/normal_605320ae6ca10.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/557bbaf1-22f5-4f4c-a4da-d887127238bb/go_go_scooter_price.pdfIn PDF document text
- http://jixepewix.epizy.com/12497780210.pdfIn PDF document text
- http://kejefutipetube.epizy.com/enterprise_financial_reporting_tools.pdfIn PDF document text
- http://dijilupejiba.rf.gd/air_lap1142n_a_k9_reset_to_default.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f937c8ea-c274-4091-9091-c3bbc4b966f5/how_to_become_certified_in_medical_surgical_nursing.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/47467a4e-7b62-4a6c-a688-9702a18606fe/how_to_use_qcy.pdfIn PDF document text
- http://kegotetebam.epizy.com/land_registry_easements_practice_guide.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_off0000e4cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4CD | 5312 bytes |
SHA-256: 28dfd86988e5dcdc529bfd6c36ace5f9b14c9eb3cc8ed0cd955c4908a205cd3f |
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font_01_sfnt_off0000f6e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6E8 | 10596 bytes |
SHA-256: a19cc33deb005d89600603c2193a19d5ccf8b9d49200cf45e7aff31fb6451121 |
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