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://dafemum.ru/strik?utm_term=hp+5510+not+printing+black PDF link annotation
- https://cdn.sqhk.co/xizemeginu/igiAhgy/average_premium_for_home_insurance.pdfIn PDF document text
- https://cdn.sqhk.co/jigixomavola/ijigMji/41428876326.pdfIn PDF document text
- https://cdn.sqhk.co/bamazaludez/iigiq9M/knife_crash_game.pdfIn PDF document text
- https://cdn.sqhk.co/bomagomax/Vzr4dif/bhavesh_joshi_superhero_movie_utorrent.pdfIn PDF document text
- https://cdn.sqhk.co/nevupediwix/thhSqjc/lullaby_for_my_baby_girl.pdfIn PDF document text
- http://lofomerevudawem.iblogger.org/englisch_abitur_2020_bw.pdfIn PDF document text
- http://sejapuzisetanut.22web.org/79721688408.pdfIn PDF document text
- https://cdn.sqhk.co/gebemiwisero/Pjchcgg/spiritfarer_characters_list.pdfIn PDF document text
- http://tivepijezar.22web.org/williams_hematology_9th_edition.pdfIn PDF document text
- http://nuwadurelikaw.iblogger.org/fogevadezojenewukadolodod.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://0296ecfc-28ae-4fa5-925c-67a25994cace.filesusr.com/ugd/c88839_7810598534e14651be7c58eaee8bf1eb.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vabedafozo/98878727604.pdfIn PDF document text
- https://s3.amazonaws.com/lekelepowo/mubufawalekuxemi.pdfIn PDF document text
- https://s3.amazonaws.com/tinivukedeta/what_does_beauty_in_the_eye_of_the_beholder_mean.pdfIn PDF document text
- https://eb40363d-1d1f-4170-a897-f23f0f433116.filesusr.com/ugd/2a1429_5cabdef198a8485eb9e0dc17b07e45c7.pdf?index=trueIn PDF document text
- http://divifafapinuk.rf.gd/67860230531.pdfIn PDF document text
- https://9f9bd9fa-00fe-4673-b34e-9a629881f524.filesusr.com/ugd/09273f_4deba820de6d4992ab09c7a51b577460.pdf?index=trueIn PDF document text
- https://c6506652-bf5e-4f52-be36-03dbfaede22c.filesusr.com/ugd/f74919_913738affb7a4f9f9332764d0be6d1a9.pdf?index=trueIn PDF document text
- https://1e16f6d7-285b-4488-bf07-d3e24ac90e20.filesusr.com/ugd/417718_cccef476cf88470ab6bff94786eaf31a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/budovewesekaz/dakujapakopowili.pdfIn PDF document text
- https://s3.amazonaws.com/xutomoxu/womemetanapiten.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
- 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_off0000f1e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E1 | 5404 bytes |
SHA-256: f5bf3f53f61b5239fbdb7651f7837bfb063931fd4ff2820d9b15dbb73f73e2d6 |
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font_01_sfnt_off00010460.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10460 | 10868 bytes |
SHA-256: 3ccde7452519da0eb3385380ae4ab4e5a2fe9683bfcf8b3cf53d47fd1c97502c |
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font_02_sfnt_off0001299f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1299F | 16080 bytes |
SHA-256: 3a0f8ed008c79ef5fc1e40fbe805bb4ed86c3b537cef76351acb51b29d81aea7 |
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