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-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=features+of+a+newspaper+article+ks2+ppt PDF link annotation
- https://cdn-cms.f-static.net/uploads/4383131/normal_5fd33e8de6eff.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450419/normal_601194281ec8f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4409107/normal_5ff95e4e4ee2c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386081/normal_60303e694a8e8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423750/normal_6010a83a6f911.pdfIn PDF document text
- http://wixujikubipom.mygamesonline.org/how_to_fix_my_pulsating_dyson.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370076/normal_5fdd1d3c17f8f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4493545/normal_602b9ca4c3247.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4491450/normal_6001eebbdde14.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4402294/normal_5fc7e0b761ed6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4487201/normal_5fd2ea00827dd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413242/normal_6030fef384218.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4447089/normal_5fddd323f2d5a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470521/normal_60207db370562.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kagijido.myartsonline.com/xijegupataki.pdfIn PDF document text
- https://bc5ba30c-e427-49eb-abc4-9677f18f04c1.filesusr.com/ugd/bcd086_26e61e42694a414bac3bfae9b9aca17a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/53812dac-8b2c-4c7a-a202-ea9a50f843eb/the_art_of_her_deal_summary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4f8c344d-22b4-4158-87d8-8abdf003c49f/sukafojitagananazinipaxum.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/52fc6ad0-d68e-4b4e-adbf-dac4a52de050/whirlpool_refrigerator_water_filter_replacement_lowes.pdfIn PDF document text
- https://0926596c-b1e6-4473-87d6-fed2e709bfeb.filesusr.com/ugd/e2a635_0f6941aff0534b2bbe13357d68eccfb5.pdf?index=trueIn PDF document text
- http://xijejuvi.myartsonline.com/are_jeep_grand_cherokees_good_for_towing.pdfIn PDF document text
- https://27158da8-170d-48ca-a528-b8ced62fe517.filesusr.com/ugd/9fc8c3_7c85972204074025838c0b3b9bc6cd21.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_off0000cbc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBC6 | 5252 bytes |
SHA-256: 5ab4d29b3a6d6dfb67901864b2362080ae84c71b9b4dbe73130338f55a5a8c0e |
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font_01_sfnt_off0000ddcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDCB | 10564 bytes |
SHA-256: b336d5df2fb4173d0ad4c69bbfac84d717434ffcd319a74061eeb3ff681e7150 |
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