MALICIOUS
246
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by a machine learning classifier and ClamAV, specifically flagged for credential phishing. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to obscure the ultimate destination. One critical heuristic identified a brand-impersonation credential phishing lure, directing users to a redirector hosted on weebly.com.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://bipesulevawitod.weebly.com/uploads/1/3/1/4/131437914/8189343.pdf.
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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://zajinet.ru/wix?keyword=spectrum+business+smtp+settings PDF link annotation
- https://cdn.sqhk.co/vavewiminiv/ggbjh3k/nunirexeju.pdfIn PDF document text
- http://yildirimotobursa.com/piano_sheet_music_for_hallelujah_leonard_cohen_free7rr1n.pdfIn PDF document text
- https://cdn.sqhk.co/vumuwuxa/qggichf/wunderlist_to-_do_list_tasks.pdfIn PDF document text
- https://cdn.sqhk.co/lukapokobejo/jiieih2/14805216196.pdfIn PDF document text
- https://cdn.sqhk.co/gaxumisi/SKNba3T/happy_glass_lexington_ky.pdfIn PDF document text
- https://bipesulevawitod.weebly.com/uploads/1/3/1/4/131437914/8189343.pdfIn PDF document text
- https://cdn.sqhk.co/nemisova/GGYRFge/big_bang_evolution_mod_apk_1._1._64.pdfIn PDF document text
- https://cdn.sqhk.co/vozeseseber/gjiichj/tie_dye_android_wallpapers.pdfIn PDF document text
- https://cdn.sqhk.co/bexefoboxevi/geJicXK/27762671145.pdfIn PDF document text
- http://vostokzapad.su/tutadimoufrbt.pdfIn PDF document text
- https://cdn.sqhk.co/butuxolevu/uehdxEL/save_the_mother_earth_drawing.pdfIn PDF document text
- https://cdn.sqhk.co/zabitokepum/mWLxhdw/nowufu.pdfIn PDF document text
- http://milanbeachs.space/lotr_return_of_the_king_directors_cut_lengthvrgdx.pdfIn PDF document text
- https://cdn.sqhk.co/koxuzofu/itiiAhj/wekadumekufi.pdfIn PDF document text
- https://pelabinal.weebly.com/uploads/1/3/1/3/131379552/632027.pdfIn PDF document text
- https://rikelakejif.weebly.com/uploads/1/3/4/8/134885243/fetunijo.pdfIn PDF document text
- https://cdn.sqhk.co/wokowuvawuz/m8O45qS/2334983044.pdfIn PDF document text
- https://cdn.sqhk.co/vekuniruf/ibjd1j1/9557342531.pdfIn PDF document text
- https://cdn.sqhk.co/zivupowixede/gKOhdTL/foryoupage_on_tiktok_meaning.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://45f91bdd-2b68-4e60-ae2c-b14373ae5332.filesusr.com/ugd/0d089b_5333d9aad23841349ab884a515a1a217.pdf?index=trueIn PDF document text
- https://3064a0a7-8496-4b95-be1e-56094aee372f.filesusr.com/ugd/0cf4b9_f1be21f572e04cb9b2966c5c5dad8874.pdf?index=trueIn 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_off0000e3c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3C1 | 5252 bytes |
SHA-256: 76f8433e08166c6053c1da9e07296bdff5a8f795bac6652640a9e5574e2bc6a9 |
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font_01_sfnt_off0000f57b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF57B | 1936 bytes |
SHA-256: 246569b5fd7226bd0ebf3c016de7ba0bf82e996896d660a08030b2af0a08efd3 |
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font_02_sfnt_off0000febc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEBC | 10936 bytes |
SHA-256: c67ab0a4223744b59142eacc1fafdc022102ffb0514c0061acc6f802d2f0554f |
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