MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file identified as malicious by multiple heuristics and a machine learning classifier. It contains a significant number of embedded URLs, many pointing to disposable hosting services or known malicious redirectors, suggesting a link farm or SEO spam operation. One critical heuristic specifically flagged links to known malicious redirector infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://crophysi.ru/wix?keyword=vw+up+manual+pdf In PDF document text
- https://tigoxugijiwubaz.weebly.com/uploads/1/3/4/3/134315710/zumudasezerinem.pdfIn PDF document text
- https://jolidezebixisu.weebly.com/uploads/1/3/3/9/133997790/1323835.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412584/normal_6025c2e3c27f5.pdfIn PDF document text
- https://cdn.sqhk.co/vobipibomuk/cSEjjfK/game_show_buzzer_sound_effect.pdfIn PDF document text
- https://cdn.sqhk.co/kewudomavave/hifchjg/best_tuner_pedal.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374689/normal_5febda58e3539.pdfIn PDF document text
- https://leneguvajetuse.weebly.com/uploads/1/3/1/3/131380977/df0c30d1.pdfIn PDF document text
- https://cdn.sqhk.co/wuvukidovime/ghcsm4l/gems_simulator_and_guide_for_brawl_stars.pdfIn PDF document text
- http://hydraruzxpnew4af.exchange/61875986629rxd0m.pdfIn PDF document text
- https://cdn.sqhk.co/sixajuzap/jibRage/coloristictm_color_by_number.pdfIn PDF document text
- https://cdn.sqhk.co/pifonode/Tto4hh8/30214457574.pdfIn PDF document text
- https://cdn.sqhk.co/fimegasaz/MWijibC/dark_forest_background_anime.pdfIn PDF document text
- https://cdn.sqhk.co/filovosa/USOijji/74307825101.pdfIn PDF document text
- http://hotita.space/block_format_business_letter_samplejb6s9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480904/normal_5fefa4b29d33b.pdfIn PDF document text
- https://vabeluzaxudi.weebly.com/uploads/1/3/4/8/134884936/53351cd0ad87.pdfIn PDF document text
- https://cdn.sqhk.co/jifigetuxu/idijjgB/star_wars_squadrons_trailer_gameplay.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489587/normal_6028281c1288e.pdfIn PDF document text
- https://cdn.sqhk.co/kewusikata/jdcR54p/vikanumiwinu.pdfIn PDF document text
- https://cdn.sqhk.co/vanewano/halxOhc/cartoon_wars_blade_offline_apk.pdfIn PDF document text
- https://cdn.sqhk.co/rabataxuvax/jbYgMhg/dujavezokewakupo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f56a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF56A | 4496 bytes |
SHA-256: 79d33f4b0aef8639c7f389acf079ac7a57060c844b87a1eea6480dbb34ae62a1 |
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font_01_sfnt_off0001049a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1049A | 10748 bytes |
SHA-256: f1288bcd3851efa6ed4429795cab0a2a5e745981fd2f6df88eaae203e8b18ebb |
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font_02_sfnt_off00012894.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12894 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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