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://xajibur.ru/strik?utm_term=big+nate+blow+the+roof+off+online+free PDF link annotation
- https://powelogub.weebly.com/uploads/1/3/1/8/131871449/zexinezulux.pdfIn PDF document text
- https://munulibur.weebly.com/uploads/1/3/4/5/134508804/bipupovuwuv-gumujuzam-dinepubejorare-wagibogevozeli.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488581/normal_6068ed5028067.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452374/normal_604a59605d4cc.pdfIn PDF document text
- http://raisinsapp.pro/why_wont_my_gas_logs_igniteojtty.pdfIn PDF document text
- http://3gusevshop.space/fefulilumojufasitimubusajnbrj.pdfIn PDF document text
- http://themarkuzmusic.com/671914913583816x.pdfIn PDF document text
- http://elinekici.online/how_do_you_know_when_your_mophie_powerstation_is_fully_chargederv0u.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448115/normal_6013dee7c2124.pdfIn PDF document text
- http://bumaga.bz/gw2_crafting_guide_armorsmith47i4t.pdfIn PDF document text
- https://xigokujote.weebly.com/uploads/1/3/4/6/134649591/7161985.pdfIn PDF document text
- https://zetojaxonafavop.weebly.com/uploads/1/3/5/3/135309172/wewodobimuzu-gajazajifabiku.pdfIn PDF document text
- https://netiwolofud.weebly.com/uploads/1/3/1/4/131438008/f5aed2e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4498376/normal_600a2497c4301.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://827a6da4-a69c-4806-aaaa-db522494bc4d.filesusr.com/ugd/cb5916_93ed8ca4fb024c62823e9b432b19b795.pdf?index=trueIn PDF document text
- https://d5f1d3db-1598-48d0-a061-764c190a6564.filesusr.com/ugd/866690_2f80cdcf86e2487dbc945bb9a117ea03.pdf?index=trueIn PDF document text
- https://368051e9-4199-40ea-b9a2-dc6e6f83cb3b.filesusr.com/ugd/6260fe_fe6882a6afaa47818664491a5b0ea082.pdf?index=trueIn PDF document text
- https://03dfb0eb-7fe6-4188-ad87-ea2b88df7b19.filesusr.com/ugd/f967ac_b2eefb73734847b9b8247ae2747abfae.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wupixufekijax/92142100219.pdfIn PDF document text
- https://a8fdb364-3865-4521-a36b-e12f4de7752f.filesusr.com/ugd/e20637_287feed43622486493f4249447e510bc.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jedaxopopuko/karepemesase.pdfIn PDF document text
- https://s3.amazonaws.com/marimejerebo/nyp_email_duo.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_off0000d2d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2D5 | 5132 bytes |
SHA-256: 03d6ea79e37cd076d8a76f7d584ee9868a3741d338a777fbd3e28e2fe27da834 |
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font_01_sfnt_off0000e460.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE460 | 10016 bytes |
SHA-256: 57087cc81d2829857ef91f22a98caa9e95254342b31b5cfda628c1417c861d04 |
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