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 0.9997
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://bologen.ru/123?utm_term=why+is+my+hp+envy+5530+printing+blank+pages PDF link annotation
- http://vuvowepo.22web.org/fidofikukaber.pdfIn PDF document text
- https://cdn.sqhk.co/bemoranoz/fjdijA9/andor_s_trail_0._7._5_map.pdfIn PDF document text
- http://metazexepajesen.22web.org/studio_ghibli_sheet_music_for_viola.pdfIn PDF document text
- https://lopowizuxo.weebly.com/uploads/1/3/4/4/134438001/xodusixun.pdfIn PDF document text
- https://zemapefim.weebly.com/uploads/1/3/4/4/134485651/30e0d8f7a2ea3f4.pdfIn PDF document text
- https://cdn.sqhk.co/vemetafije/ib8xiif/one_night_ultimate_werewolf_rules_alpha_wolf.pdfIn PDF document text
- https://penuwepilaxol.weebly.com/uploads/1/3/4/7/134756509/7783834.pdfIn PDF document text
- http://rezotu.xyz/ps2_games_for_android_emulatorau79a.pdfIn PDF document text
- https://cdn.sqhk.co/bapuwanuvadi/fw74Xsr/65034386406.pdfIn PDF document text
- https://cdn.sqhk.co/najuvotuwoz/bIijxxb/kugaruderuxawopepanosun.pdfIn PDF document text
- http://vivoxasoro.22web.org/xagixebikaziwupowife.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://dopafedoxafedar.rf.gd/lambda_layer_terraform.pdfIn PDF document text
- http://bidasumibave.epizy.com/adding_worksheet_for_grade_1.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_off0000e0c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0C5 | 6040 bytes |
SHA-256: 591eabee12a4fc1b2e89033c51ff87fe254fe4363b162ef9e0317814150419d7 |
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font_01_sfnt_off0000f542.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF542 | 10296 bytes |
SHA-256: d025841a5516499f546c34b25bcf0461caacef7d25787e7291d03b0268ab66f2 |
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