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 0.9992
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://zajinet.ru/123?utm_term=peptide+bond+formation+is+a+hydrolysis+reaction PDF link annotation
- https://cdn-cms.f-static.net/uploads/4384320/normal_606597ce25603.pdfIn PDF document text
- http://limons.space/bekhayali_mein_video_statusbna8v.pdfIn PDF document text
- https://cdn.sqhk.co/gidetixi/jeiiiiS/crazy_dino_park_epic_eggs.pdfIn PDF document text
- https://wefupavoxed.weebly.com/uploads/1/3/2/6/132682659/1403158.pdfIn PDF document text
- https://cdn.sqhk.co/losokifape/bibDf2z/14751802654.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469623/normal_6067d6910829c.pdfIn PDF document text
- https://cdn.sqhk.co/japokaxe/fhfjiWa/espn_nfl_power_rankings_week_3.pdfIn PDF document text
- https://vebilikowuti.weebly.com/uploads/1/3/2/7/132740371/6322730.pdfIn PDF document text
- https://cdn.sqhk.co/wafasojudo/jjjcbiw/rummikub_board_game_how_to_play.pdfIn PDF document text
- http://lisolu.org/41409377841s12ec.pdfIn PDF document text
- https://cdn.sqhk.co/pabilere/4hdjjvh/zotideb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427544/normal_601c700e593d0.pdfIn PDF document text
- https://cdn.sqhk.co/sabumijobude/fbhJMST/32471526102.pdfIn PDF document text
- http://sodalabs.club/gamitibuzulomevobimkm3ew.pdfIn PDF document text
- http://topsale.pro/shiva_panchakshari_stotram_lyricsqb9k5.pdfIn PDF document text
- https://kobawepa.weebly.com/uploads/1/3/1/0/131070010/tonad.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459477/normal_6043f19504a3c.pdfIn PDF document text
- https://kavosimodo.weebly.com/uploads/1/3/4/9/134901779/ee659648db81897.pdfIn PDF document text
- https://cdn.sqhk.co/pekotegafod/dieibDc/starz_30_day_free_trial_hulu.pdfIn PDF document text
- https://bemetezebore.weebly.com/uploads/1/3/4/8/134882820/1434614.pdfIn PDF document text
- https://cdn.sqhk.co/kavonalitego/e6jija3/snapseed_editing_software_for_pc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://pasalifadipu.epizy.com/4741498861.pdfIn PDF document text
- http://valajawegob.epizy.com/sipagumixetoj.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_off0000efa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA3 | 5640 bytes |
SHA-256: 00062a24118cdb15cc78e83421e4cdc89d41ea0dfec02cf8a98d6d13e6111741 |
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font_01_sfnt_off000102ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102AC | 12328 bytes |
SHA-256: 9d0e59c6e41b7b4e907d4d24f284741deffb48c929f18ff9b2b99f27fc1e2ceb |
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font_02_sfnt_off00012c53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C53 | 16268 bytes |
SHA-256: caa307235f9f20d306118058150a8dad7285964b412c6b582cbe2c94f43387cf |
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