MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, indicating it functions as a link farm. Several heuristics, including PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM, confirm this behavior. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The embedded URLs point to potentially malicious domains.
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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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://vilenefex.ru/wix?keyword=grand+theft+auto+5+apk+file PDF link annotation
- http://tendernes.ru/34292832931oae6h.pdfIn PDF document text
- https://riwisasivituw.weebly.com/uploads/1/3/1/0/131070703/2746671.pdfIn PDF document text
- http://voicebftyi.com/197709408143oaud.pdfIn PDF document text
- https://cdn.sqhk.co/kimorotadopo/Lghhijj/green_papaya_salad_recipe_vegan.pdfIn PDF document text
- https://cdn.sqhk.co/fejisedetu/34g8Upo/subway_runner_endless_rush_running_time.pdfIn PDF document text
- https://dibufasefeduvit.weebly.com/uploads/1/3/5/9/135975636/7824970.pdfIn PDF document text
- http://mamajan.space/71110366556a50cb.pdfIn PDF document text
- https://simefaburiso.weebly.com/uploads/1/3/0/8/130814859/2890106.pdfIn PDF document text
- http://brumbum6.xyz/49456620019xk6ga.pdfIn PDF document text
- http://euroshopme.site/symbol_ls4278_wireless_bluetooth_barcode_scanner9a847.pdfIn PDF document text
- https://fijapirugonobi.weebly.com/uploads/1/3/4/3/134315317/360fd4.pdfIn PDF document text
- https://cdn.sqhk.co/fixuzigetir/l4Miidz/1308776828.pdfIn PDF document text
- http://ins.expert/shopping_near_chatuchak_market5o1s2.pdfIn PDF document text
- https://kelutatu.weebly.com/uploads/1/3/4/5/134521402/4ac451a8.pdfIn PDF document text
- https://cdn.sqhk.co/vakolitakap/hijOfwO/9416523114.pdfIn PDF document text
- http://hs-life.ru/kyocera_ecosys_m5526cdw_manualemjvow.pdfIn PDF document text
- https://digokevun.weebly.com/uploads/1/3/4/7/134747151/5298099.pdfIn PDF document text
- https://cdn.sqhk.co/bebetirifam/2jachaa/57597151588.pdfIn PDF document text
- http://hellochildren.online/giwulesuniwozekapobrcfkk.pdfIn PDF document text
- https://cdn.sqhk.co/fiwujumejuf/cievibD/correct_score_betting_tips_daily_apk.pdfIn PDF document text
- https://cdn.sqhk.co/todiwapubu/iaRQAgc/account_example_balance_sheet.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off000106b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106B0 | 5168 bytes |
SHA-256: 64a9136d15ecbd8afca56d50c1d64b7ead14bfda603006ffae7b02f0096ff396 |
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font_01_sfnt_off00011848.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11848 | 11364 bytes |
SHA-256: 00ec59a26792aba7b7603cae5a7a5430dd60fe7f916977fe2761526a849dd292 |
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font_02_sfnt_off00013f61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F61 | 16152 bytes |
SHA-256: 107dd7461bad0ee7f69ec232d7edbfa51533cbe03462e0930b0bd999c9024e27 |
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