MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm designed to redirect users to potentially malicious content. The presence of external URIs and a link farm heuristic strongly suggests the document's primary purpose is to drive traffic to external sites, likely for phishing or malware delivery.
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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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://druttle.ru/strik?utm_term=what+do+internal+combustion+engines+run+on PDF link annotation
- https://cdn-cms.f-static.net/uploads/4445341/normal_601b8cc2a4f01.pdfIn PDF document text
- https://cdn.sqhk.co/badalozebale/nDNAutW/8939132331.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4500001/normal_5fe5a454c1385.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482636/normal_60558ae69c024.pdfIn PDF document text
- http://lajodibibodi.getenjoyment.net/how_to_use_bissell_spotlifter_powerbrush.pdfIn PDF document text
- http://nokilibetajew.mywebcommunity.org/77614828119.pdfIn PDF document text
- https://cdn.sqhk.co/vemudumuxixu/shflNre/meme_soundboard_ultimate_2020_mod_apk.pdfIn PDF document text
- https://cdn.sqhk.co/fapolokid/ajcgfih/63721974413.pdfIn PDF document text
- http://zdorovie-vashe-vse.xyz/7251373076vljbk.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4409095/normal_600929903d134.pdfIn PDF document text
- https://cdn.sqhk.co/xipepovivik/jhciekY/funny_chicken_wallpaper_for_android_free.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392199/normal_6048c5e03259c.pdfIn PDF document text
- https://cdn.sqhk.co/gijosevozu/UijvFgr/find_friends_iphone_and_android.pdfIn PDF document text
- http://ipoteka.net/top_100_movies_imdb_english21z62.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://bigapenegig.atwebpages.com/josagalurabu.pdfIn PDF document text
- https://bad3f395-1638-4667-b349-d6f934eeab49.filesusr.com/ugd/ed2d23_c794786759a04482a8357c799e3b7081.pdf?index=trueIn PDF document text
- http://sawuliwinupunud.epizy.com/10553672540.pdfIn PDF document text
- https://91953a53-6f32-4f2a-9b2e-0f954541ff31.filesusr.com/ugd/dad90e_0a3fab49524d4a8b959c0920097b28d1.pdf?index=trueIn PDF document text
- http://wagupamodesugub.rf.gd/both_and_either_or_neither_nor.pdfIn PDF document text
- http://vavinarel.rf.gd/61752000809.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_off0000f5eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5EB | 5508 bytes |
SHA-256: fa31a2e30f70bc18a71847a5d3338b7f649446c5f56705862a147b7c5bc3aff3 |
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font_01_sfnt_off0001087d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1087D | 11308 bytes |
SHA-256: e71aa2aef69683025e997498a0a44ee389d9feb493499ee4ba2c00611f7a18af |
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