MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to disposable domains or link farms, indicating a phishing or SEO manipulation attempt. One critical heuristic identified a link to known malicious redirector infrastructure, and ClamAV detected it as Pdf.Phishing.Trojan. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create documents for malicious purposes. The presence of numerous external links suggests the primary goal is to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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/strik?utm_term=what+to+do+with+used+epson+printer+cartridges In PDF document text
- https://cdn.sqhk.co/puruwedisuma/X8ulT1E/zigzag_line_on_the_periodic_table_classified_as.pdfIn PDF document text
- https://cdn.sqhk.co/puranajav/e2Qjbhi/titibululiwufam.pdfIn PDF document text
- https://varusotefus.weebly.com/uploads/1/3/1/3/131398431/6739600.pdfIn PDF document text
- https://cdn.sqhk.co/jedepazisu/gt3tifQ/ups_drop_off_gonzales_ca.pdfIn PDF document text
- https://cdn.sqhk.co/vasozaponem/jgdjijb/prank_call_voice_changer_app_by_ownage_pranks.pdfIn PDF document text
- https://cdn.sqhk.co/wowobavukelo/bWlkvii/57249455526.pdfIn PDF document text
- http://fasad-dom.site/87219571785o468l.pdfIn PDF document text
- https://cdn.sqhk.co/polidupokasu/wdpa0jb/58393002914.pdfIn PDF document text
- https://mijigudi.weebly.com/uploads/1/3/4/3/134352865/lijujumugi.pdfIn PDF document text
- http://vavenuvukubanav.22web.org/fasibutipebu.pdfIn PDF document text
- https://bivixogerixud.weebly.com/uploads/1/3/4/4/134469213/kepoju.pdfIn PDF document text
- https://cdn.sqhk.co/kuzefoke/irlgfhi/read_our_chemical_hearts_online_free.pdfIn PDF document text
- https://kosukanawator.weebly.com/uploads/1/3/5/3/135304621/6229184.pdfIn PDF document text
- https://cdn.sqhk.co/jagojixego/8awhhge/you_knock_me_down_song.pdfIn PDF document text
- https://vujebitaj.weebly.com/uploads/1/3/4/7/134759162/b615649.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://lapamapifutul.epizy.com/lexonike.pdfIn PDF document text
- http://zuwapiw.rf.gd/bulleya_sultan_movie_video_song.pdfIn PDF document text
- http://mowesedapi.epizy.com/transform_from_cartesian_to_spherical_polar_coordinates.pdfIn PDF document text
- http://mevalegija.rf.gd/daniel_plan_detox_reviews.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_off0000dbdc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBDC | 5408 bytes |
SHA-256: 2e143043108fbc94eb7f23039c0d406325c6c5b39e5ee22389eb20c94264fffe |
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font_01_sfnt_off0000ee55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE55 | 9948 bytes |
SHA-256: c0de800d7bc7efa51260e43def7604e5cab452a14306715ec16d83d679f1e0cd |
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