MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links to known malicious redirector infrastructure, specifically `https://yafferge.ru/strik?utm_term=used+schwinn+270+recumbent+bike+for+sale`. The document body, though heavily obfuscated, contains text fragments suggesting a sales listing lure. The presence of numerous links on disposable hosting and the ML classifier's high confidence score indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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 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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://yafferge.ru/strik?utm_term=used+schwinn+270+recumbent+bike+for+sale In PDF document text
- https://rapofureduf.weebly.com/uploads/1/3/1/1/131164295/46687612c91b0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448985/normal_600c258e309be.pdfIn PDF document text
- http://kebuwakuje.medianewsonline.com/64799597556.pdfIn PDF document text
- https://cdn.sqhk.co/nixibaraje/iflgdge/meditation_relaxation_music_for_sleep_30_minutes.pdfIn PDF document text
- https://cdn.sqhk.co/merabuvi/jfjjihF/16327770451.pdfIn PDF document text
- https://kifakofaw.weebly.com/uploads/1/3/4/0/134016777/luxene_patogumobu_mawebebosuwex.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387430/normal_5fcdecc73144c.pdfIn PDF document text
- http://xakaderinetatu.mygamesonline.org/evanescence_my_immortal_piano_notes.pdfIn PDF document text
- https://cdn.sqhk.co/dojidavos/RgiChhc/50624296293.pdfIn PDF document text
- http://wogesifuri.iblogger.org/arduino_uno_r3_schematic.pdfIn PDF document text
- http://pevewoxoxup.scienceontheweb.net/limerirozudoxizovi.pdfIn PDF document text
- https://cdn.sqhk.co/winudesuw/jsbjNih/1908239455.pdfIn PDF document text
- http://kegetisa.mygamesonline.org/78928501189.pdfIn PDF document text
- https://bewotenugajuvu.weebly.com/uploads/1/3/2/6/132695730/mavage-jevemimowa-maliwatolares.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/pazovugal/easy_cake_recipes.pdfIn PDF document text
- https://s3.amazonaws.com/nalifij/bsnl_mobile_bill_payment_receipt.pdfIn PDF document text
- http://zusozokag.epizy.com/acceptance_and_commitment_therapy_100_key_points_and_techniques.pdfIn PDF document text
- https://s3.amazonaws.com/saxefi/girl_from_ipanema_song_chords.pdfIn PDF document text
- http://tuvufuxo.epizy.com/vce_to_converter_online_android.pdfIn PDF document text
- http://pukekutobupiv.rf.gd/28813833183.pdfIn PDF document text
- http://danebusuji.onlinewebshop.net/rocks_and_minerals_in_thin_section.pdfIn PDF document text
- http://wejifofodig.rf.gd/nizetuvomuwazavadow.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_off0000e5bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5BF | 5900 bytes |
SHA-256: b3f1e45241fb7d1d4ad2f128b0fe0d35d4ed20cb006f0f79857ece5ac48cff6a |
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font_01_sfnt_off0000f9c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9C4 | 10760 bytes |
SHA-256: b494017542c4db84b56d7e8d186965d1ee8104a6a4d7cc9dbb3cffab6f3c3b8c |
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