MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 5
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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 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://mezovuduw.ru/award?keyword=birches+summary+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4390057/normal_60687405ca35f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4449009/normal_5fec6b0e2f0fb.pdfIn PDF document text
- https://jofufibiwew.weebly.com/uploads/1/3/5/3/135347649/3381427.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370985/normal_603e733db0cc3.pdfIn PDF document text
- https://bepixumute.weebly.com/uploads/1/3/5/3/135302933/vevebibetupekeni.pdfIn PDF document text
- https://cdn.sqhk.co/xegunorasu/ijLRpbx/52925824398.pdfIn PDF document text
- https://megidawuxuta.weebly.com/uploads/1/3/4/7/134729580/576354e3db2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467277/normal_60290da236802.pdfIn PDF document text
- https://cdn.sqhk.co/wujakegu/gg5igFK/planet_earth_narrator_us.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4391915/normal_5ffa4e6a54e4e.pdfIn PDF document text
- http://zuduwipakeboku.iblogger.org/vozasi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/2904c0ec-0aca-4bbe-8f61-694c2fa89e50/how_old_is_kaz_in_six_of_crows.pdfIn PDF document text
- http://pemukusa.epizy.com/hakikat_pendidikan_agama_islam.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6f612ab0-6d15-43ca-a551-729e35ba15a1/netgear_model_ex3700_setup.pdfIn PDF document text
- http://novituwexuse.epizy.com/black_hole_formation_bacterial_takeover.pdfIn PDF document text
- http://dibiremiva.rf.gd/george_shearing_lullaby_of_birdland.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fb6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB6B | 5100 bytes |
SHA-256: 58219658e9575da5fcb621fc4e432cb174321cb1b804fc380f319ab7187b98ef |
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font_01_sfnt_off00010cc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CC6 | 10536 bytes |
SHA-256: 215162a96ee22e0468f08dbc55f6095be91be2ca157401e8cb9464f41dfb75fd |
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font_02_sfnt_off000130eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130EB | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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