MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged by multiple heuristics and a machine learning classifier as malicious, specifically as a phishing or trojan. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or redirection scheme. The document body, though heavily obfuscated, contains references to 'Arris surfboard sbg6580 issues' and 'wkhtmltopdf', indicating a potential lure to trick users into visiting malicious sites. No scripts were extracted, but the overall structure and link farm behavior are indicative of a phishing or scam campaign.
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://pelibifir.ru/strik?utm_term=arris+surfboard+sbg6580+issues PDF link annotation
- https://cdn.sqhk.co/zidodovare/jWgjbZl/house_paint_colors_ideas_pictures.pdfIn PDF document text
- https://cdn.sqhk.co/xawefigi/RMhjNic/52260592671.pdfIn PDF document text
- https://tapevasazizile.weebly.com/uploads/1/3/1/4/131454670/maziminojigupax.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485573/normal_5fc594b41665e.pdfIn PDF document text
- https://cdn.sqhk.co/divoxisig/r50aPjj/79071532438.pdfIn PDF document text
- https://dorikorojuj.weebly.com/uploads/1/3/3/9/133987202/keduvuzona-fuwogagaperaj-rubasuweva-porifonifofupo.pdfIn PDF document text
- https://cdn.sqhk.co/zikegasenar/S17zkx2/malwarebytes_security_virus_cleaner_anti-_malware_pc.pdfIn PDF document text
- https://cdn.sqhk.co/xanuramalu/gjGhhjh/hempire_plant_growing_game_apk.pdfIn PDF document text
- https://putomusozozor.weebly.com/uploads/1/3/4/3/134321488/gadozanojasukar.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368969/normal_601368f3d2636.pdfIn PDF document text
- https://cdn.sqhk.co/musutalivun/uhgkogf/5734874071.pdfIn PDF document text
- http://dixunawizodel.iblogger.org/ccna_ccnp_books.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501054/normal_5fc86af836cd9.pdfIn PDF document text
- http://gupupokuvugal.22web.org/gufarel.pdfIn PDF document text
- https://cdn.sqhk.co/fujalapevame/N5Tja5Y/43039942133.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://33b7cf8b-1cb2-46d9-9063-17e97cba5e80.filesusr.com/ugd/9edd50_dd0074c90717458d8794468158fa63d3.pdf?index=trueIn PDF document text
- https://54957a25-093b-4cbd-a4f0-8eb5fea931f0.filesusr.com/ugd/8ba634_e6b46587407249f68abc81a0156b20d3.pdf?index=trueIn PDF document text
- https://f18b8dc1-3ce9-44bd-8712-01435d039869.filesusr.com/ugd/b97cba_890ff4e7e55649ae9aa87f3b420cdfb7.pdf?index=trueIn PDF document text
- http://vupafigimewex.rf.gd/sobavawijawi.pdfIn PDF document text
- https://edefa294-c65c-46c5-840b-8a4669b9fdfe.filesusr.com/ugd/e4a001_275b72a69af04803b032e56441e54f23.pdf?index=trueIn PDF document text
- http://jefeduwikiw.epizy.com/37929995920.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_off00011066.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11066 | 5784 bytes |
SHA-256: 1e7bb4891d13dc6a3716987f854bb4e950c12a370f56a109409cf9d5d129b886 |
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font_01_sfnt_off00012425.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12425 | 11264 bytes |
SHA-256: ad16ff3b95f1667fe13e52c641867508a69d564dcca077d74400507e4671d0e1 |
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