MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which are hosted on disposable domains and utilize UTM parameters, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. The presence of embedded URLs and the heuristic 'PDF_SEO_LINK_FARM' confirm the document's purpose is to funnel users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://mezovuduw.ru/strik?utm_term=brother+hl+2270dw+wireless+setup+download PDF link annotation
- https://cdn.sqhk.co/toriwogadej/FFhhjjy/26457335376.pdfIn PDF document text
- https://cdn.sqhk.co/numovasovev/Difjhjf/vilufutalojupirewijewola.pdfIn PDF document text
- http://hustlinmoney.com/bn_gi_thin_kip_ca_ti_truyn_chbvqp7.pdfIn PDF document text
- http://noturufupama.iblogger.org/35387855504.pdfIn PDF document text
- https://cdn.sqhk.co/dejijadu/hdig9jc/gmail_logo_change_date.pdfIn PDF document text
- https://cdn.sqhk.co/woledibiroju/hgXiijd/voice_changer_for_zoom_online.pdfIn PDF document text
- http://wiroban.22web.org/83971641135.pdfIn PDF document text
- http://policyhelpcenter.com/hamlet_movie_1996_google_drivexliia.pdfIn PDF document text
- http://karnaval.host/56365713472iiqd5.pdfIn PDF document text
- http://tijevuwotej.22web.org/73626424868.pdfIn PDF document text
- https://cdn.sqhk.co/zidomirit/ehgmOhf/knight_rider_cast_now.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/01133b26-21cd-4407-b8a8-654e8182ffeb/rising_action_for_thank_you_maam.pdfIn PDF document text
- https://b54663a3-ff9d-4122-b75c-69b71428c9b0.filesusr.com/ugd/cfa91a_dc5793bb5ca64bac953cf6b172ffe6de.pdf?index=trueIn PDF document text
- http://varoniwarovez.rf.gd/chrome_for_windows_xp.pdfIn PDF document text
- https://3d6da986-5be3-4955-9d5c-e891e6c56a45.filesusr.com/ugd/3c671a_b5ca8b79572147faab153ed9aebb13f0.pdf?index=trueIn PDF document text
- https://80b2a579-f9ed-4aa0-b91a-ac3c8973c086.filesusr.com/ugd/353d00_406b77534d6b4573be90fc63e36a2485.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d38218ec-4063-454c-bf50-1e85f32427ef/nuvopopexalililazunewi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cd21100f-7229-4847-ab33-6e02ae43d2f8/voxeguniwofare.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7F9 | 5424 bytes |
SHA-256: 0c586ff1ad7a1ef453f2308a307b0efb088cbf6797dfa95549cb9403400afe54 |
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font_01_sfnt_off0000fa72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA72 | 11948 bytes |
SHA-256: 464b9f9aacb0589dab6cd921c007be9e42d01f7c996f6b0498030509c76bd0fc |
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font_02_sfnt_off000120ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120CA | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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