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://pelibifir.ru/123?utm_term=2018+apush+dbq+scoring+guidelines PDF link annotation
- https://cdn-cms.f-static.net/uploads/4459780/normal_605264c750b24.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4428083/normal_605ff76f9875c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450632/normal_60534f596b791.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4371267/normal_6007abb8f0cbb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4411229/normal_5fcc83051a007.pdfIn PDF document text
- http://resezowuzotul.22web.org/59678684648.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382784/normal_6036c98e782db.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445343/normal_604f500a2fe33.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485010/normal_5fefc2d014787.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367287/normal_604952d90989b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/nonabafat/zezanugomal.pdfIn PDF document text
- https://c580675e-8888-491d-8c80-3106eaac86fb.filesusr.com/ugd/c8a981_561906545377407ea22a098af82b6f17.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/boduxatavepe/84197361521.pdfIn PDF document text
- http://gujomodezeroj.epizy.com/molevogewozukixuwimuj.pdfIn PDF document text
- https://97a45c9e-1ab5-462a-bfe2-fded34b9a8b9.filesusr.com/ugd/b50c55_fb819b5561d44d44bc4316b6aa1be592.pdf?index=trueIn PDF document text
- https://1b6fbac1-9b66-4609-9151-81f5d4c316f7.filesusr.com/ugd/5e81b9_d58bc59ae2f8427d8b8cb157f9aead88.pdf?index=trueIn PDF document text
- https://f039f7e9-c7fa-441d-bf3d-2f0e35d6be10.filesusr.com/ugd/80685d_b9c9f718c0c24e9ea1a160e4202abd50.pdf?index=trueIn PDF document text
- https://9e269ae7-c3cf-4b9f-bde2-1d9be064b7bf.filesusr.com/ugd/139869_3fa47a64b64d4ad09987f0944ab392ae.pdf?index=trueIn PDF document text
- https://b5c90759-dbf8-4ccd-b12d-e23c958527f9.filesusr.com/ugd/915a55_561198b01d4946abad5b9e99adc61330.pdf?index=trueIn PDF document text
- https://00c0516a-c822-4344-a779-6f74e039753d.filesusr.com/ugd/9e41f0_1c1e8809643340ea912d8cb9792e8baa.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fulazelof/how_to_program_intermatic_7_day_timer_hb88rc.pdfIn PDF document text
- http://zulojijokonox.rf.gd/saxifeb.pdfIn PDF document text
- https://s3.amazonaws.com/tigovatolis/jijonujaxogabot.pdfIn PDF document text
- http://tixinova.rf.gd/laser_cc308.pdfIn PDF document text
- https://ec8c99fd-5413-4e38-b6a0-2ccbba71fc6f.filesusr.com/ugd/de02f3_e10303762ed1493d9faa661c8b7b7209.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_off000111a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111A4 | 6028 bytes |
SHA-256: 204c4ab409ab32c3dfa8957d229704617969c1912f5083d88fec8ac7e58740a1 |
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font_01_sfnt_off0001260f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1260F | 11684 bytes |
SHA-256: 71e8f8d32d2ffd2b45509703e74607ace5bb6509d759e27bd0f73d3474965ef2 |
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