MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many pointing to disposable domains, indicating a link farm or SEO manipulation tactic. ClamAV and ML heuristics identify it as malicious, likely a phishing or trojan distribution vehicle. The document body is heavily obfuscated and contains metadata suggesting it was generated by wkhtmltopdf, not typical user content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://zajinet.ru/strik?utm_term=2006+chevrolet+malibu+maxx+ss+specs PDF link annotation
- https://dejoputaxili.weebly.com/uploads/1/3/4/7/134763817/devefexuruju_jifukupu_kuxewewig.pdfIn PDF document text
- https://lifunakejeka.weebly.com/uploads/1/3/4/3/134358873/434131.pdfIn PDF document text
- https://cdn.sqhk.co/kibizatududo/hIOibTD/spin_tales_mod_apk_unlimited_money.pdfIn PDF document text
- https://sabiwivilo.weebly.com/uploads/1/3/4/3/134316676/9182731.pdfIn PDF document text
- https://daxejinuvu.weebly.com/uploads/1/3/4/6/134645798/4200623.pdfIn PDF document text
- http://gepexoliv.medianewsonline.com/attitude_test_psychology.pdfIn PDF document text
- https://cdn.sqhk.co/letarezetap/2fjdugc/candomble_religion.pdfIn PDF document text
- https://cdn.sqhk.co/japivuwali/AXJieif/how_to_play_splendor_online_with_friends.pdfIn PDF document text
- http://paxezot.getenjoyment.net/jijutonaligud.pdfIn PDF document text
- https://cdn.sqhk.co/romemanir/cdibMhc/risibofirunomekotinusobun.pdfIn PDF document text
- https://cdn.sqhk.co/tevimuwijile/hdEjaJ0/ping_pong_game_video.pdfIn PDF document text
- https://kosonajiwepojig.weebly.com/uploads/1/3/4/3/134373389/aaa0c766b.pdfIn PDF document text
- https://cdn.sqhk.co/fezajuwu/hfqjajc/raft_island_wa_bridge.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://fae5df41-d68b-4d62-9961-cd33801cec7e.filesusr.com/ugd/f52c73_3cd8b0c3eabd496d86f35a0dc4814f8f.pdf?index=trueIn PDF document text
- https://75e6061f-eb7a-4ce8-b546-077bf96366c3.filesusr.com/ugd/2dfd19_1596065e2a0940adac4580f9c36b640e.pdf?index=trueIn PDF document text
- https://b1706aec-e9b1-4c6c-9a93-f14ef4a1c402.filesusr.com/ugd/3b47cb_50e0447719064f41b1ce6d68c41a2fdf.pdf?index=trueIn PDF document text
- https://a815f367-2516-4b88-9496-eed07d5c1eb7.filesusr.com/ugd/665c20_0e3eb2dfd0724b52ba06d995f2f2ff1d.pdf?index=trueIn PDF document text
- https://71a0d42b-91d5-4e94-9338-ff69ca8a624b.filesusr.com/ugd/e5d5e5_8e50b11f72d545b997a65630ec7a36cf.pdf?index=trueIn PDF document text
- https://da89e6ec-52f9-4c28-8de8-447a2e923c0c.filesusr.com/ugd/5e5b2a_897f36eb59e24dd88b6e6bc9cd989fd9.pdf?index=trueIn PDF document text
- http://zowofiz.myartsonline.com/wubekinutezajufiponofat.pdfIn PDF document text
- https://c69a8150-bb1e-4c46-878b-fc1622391bd7.filesusr.com/ugd/cf91d6_db58ee4b61184c419ceb29cd90f1eb36.pdf?index=trueIn 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_off00010cb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CB5 | 5772 bytes |
SHA-256: 7c4785bd8c71b96b29b8c7496521b47e1356a59a247f36cd599027e8ec3c21c2 |
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font_01_sfnt_off0001202b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1202B | 11300 bytes |
SHA-256: 0d797aae22cc5ff649738764b2cb123e81cba6f108ed42db11e80b38469d5160 |
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