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 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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=benson+idahosa+sermons+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4381085/normal_6018eee421f9e.pdfIn PDF document text
- https://kuritemu.weebly.com/uploads/1/3/1/3/131383398/tuxisoxizisib-fiwupunetav-xojuwo-wuted.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454167/normal_6003ec850e6d7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501201/normal_6011838b453e9.pdfIn PDF document text
- https://povemiloten.weebly.com/uploads/1/3/4/6/134608376/baroj.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417049/normal_6047a94c6931b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470696/normal_6013a2ba49495.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369322/normal_601c9433de0ae.pdfIn PDF document text
- http://kevekozulanilim.sportsontheweb.net/99158203482.pdfIn PDF document text
- https://posilukununafux.weebly.com/uploads/1/3/4/4/134498017/semiramotin.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459469/normal_5fd75b3df0cf6.pdfIn PDF document text
- https://tukobigerokigab.weebly.com/uploads/1/3/4/6/134653943/tubav_zimidugapevap_rixonoxolux_bedubewo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417537/normal_5fc5d37dd15d8.pdfIn PDF document text
- https://kunewosixur.weebly.com/uploads/1/3/4/3/134393142/pojof.pdfIn PDF document text
- http://zawugudumi.getenjoyment.net/hp_envy_4500_printer_scan_to_ipad.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471253/normal_5fe89e0f0af48.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://0f285ee0-1b14-49a2-8a3e-060a2db94812.filesusr.com/ugd/4bf67f_5487a159b626447fab58bcb8a96627a6.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jupudizadid/ucla_transfer_admissions_guide.pdfIn PDF document text
- https://40785fcd-1e5e-4316-9306-5db1d5795eae.filesusr.com/ugd/2f07a1_839dcbcac6e745cb9809ba00ad1c2e40.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gixirojozogufux/benedictus_from_the_armed_man_sheet_music.pdfIn PDF document text
- https://550dfcec-0280-4316-a0d5-68b74a7a20b9.filesusr.com/ugd/f59309_c2def740d23c4a9d9f232fece2f9e703.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f0fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0FB | 5300 bytes |
SHA-256: 6a808073451a435cfc1f48a8e7468502314d7a82537a17ec878c6a7e809b222a |
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font_01_sfnt_off000102d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102D4 | 10704 bytes |
SHA-256: 109ab4c30e5f96ba30ff4de74aa93ed1e3ac4177c664b905eb7a19a3b893b4c5 |
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font_02_sfnt_off00012721.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12721 | 16204 bytes |
SHA-256: 541fa2b6826b0add99b7d5a173ef1e6a5567607b5192f75b810eb17d6a563501 |
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