MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of external links, identified as a link farm. The heuristic PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM indicate a high likelihood of SEO manipulation or distribution of potentially malicious content. While no scripts were explicitly extracted, the nature of the link farm and the ClamAV detection suggest a malicious intent to redirect users to harmful sites. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://cdn-cms.f-static.net/uploads/4382638/normal_60111d3a356f3.pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4402294/normal_604643d715e50.pdfIn PDF document text
- http://naliputa.mywebcommunity.org/51057915819.pdfIn PDF document text
- http://xuvaguwanolinu.66ghz.com/95219353456.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450889/normal_5fd124d14d83a.pdfIn PDF document text
- https://kapalane.weebly.com/uploads/1/3/0/9/130968981/mubesinomur.pdfIn PDF document text
- https://wopuwidutava.weebly.com/uploads/1/3/5/3/135322166/mawulanewomuniv_murazorav_vafumasa.pdfIn PDF document text
- https://wadikojororewu.weebly.com/uploads/1/3/1/3/131398286/jolagipoxazib.pdfIn PDF document text
- http://namafafiteg.mypressonline.com/research_paper_on_augmented_reality.pdfIn PDF document text
- https://rilumawireg.weebly.com/uploads/1/3/5/9/135981263/5393667.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://feedproxy.google.com/~r/wb/ENAH/~3/dN4lCoxrs6M/wb?keyword=is%202020%20a%20good%20year%20for%20scorpioPDF link annotation
- https://s3.amazonaws.com/toguvaju/board_meeting_minutes_template_free.pdfIn PDF document text
- https://d1b6b380-f15b-462b-86b5-0b089ba7d90d.filesusr.com/ugd/f99a33_a3ccfd23736c4810a6baf6e06b9934a9.pdf?index=trueIn PDF document text
- http://rinimodosejowuf.myartsonline.com/edit_into_word_online.pdfIn PDF document text
- https://3c3a732a-bc26-4be5-bc29-345d3dbc3408.filesusr.com/ugd/63a963_f190f66b1fd84d7db541004d52ca654e.pdf?index=trueIn PDF document text
- http://fuvuvadut.onlinewebshop.net/algebra_and_trigonometry_5th_edition_blitzer.pdfIn PDF document text
- https://7f58a6d3-5723-489e-a2bd-17fd91e1ddd5.filesusr.com/ugd/655495_3851c58c16a3467f8da401f50db8bf20.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zinudipir/dotebin.pdfIn PDF document text
- https://033f1a72-e514-447f-b44b-9d234b37386c.filesusr.com/ugd/f05202_d6ebc77a01a54d5cbee80b136f176b8e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/meludav/87349191887.pdfIn PDF document text
- http://gakilasefit.myartsonline.com/wheel_of_time_tv_series_release_date.pdfIn PDF document text
- http://vawazovuvisu.rf.gd/xenujujanavixakofemada.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_off0000e877.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE877 | 5604 bytes |
SHA-256: 503430c565840026d56957aa3195590a0ce087e80866d87d00318caa1ae64289 |
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font_01_sfnt_off0000fbae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBAE | 10484 bytes |
SHA-256: 89e7e8ae05eb26e4dd841a7472c0dce69dcb1688b0bc3b2257dbdd393c5f18f2 |
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