MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, with one prominent URL pointing to a suspicious domain ('crophysi.ru') that is likely part of a link farm designed to redirect users. The presence of external URIs and the link farm heuristic indicate an attempt to direct users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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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 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://crophysi.ru/strik?utm_term=will+there+ever+be+a+harry+potter+tv+series PDF link annotation
- https://cdn-cms.f-static.net/uploads/4380701/normal_600edaec3fa4c.pdfIn PDF document text
- http://top-agent.ru/arc_browser_android_apk34xbo.pdfIn PDF document text
- http://astrohelp.space/19107856190n28xm.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365657/normal_604ed4b205195.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482623/normal_6001d49f1012f.pdfIn PDF document text
- http://zegoraperilesom.22web.org/tixiwiretadokijoxipet.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413563/normal_60544ddf2d27a.pdfIn PDF document text
- http://tolagipifumer.iblogger.org/sogedusivuxozinotunol.pdfIn PDF document text
- http://worldworkbook.com/music_comptine_dun_autre_eteoafs9.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/3dee7dad-cdf1-4c0c-baed-971a1adaf3db/libro_ingles_basico_para_nios.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e26e1485-b1c8-4278-9fda-5e2d1abb3106/how_to_clean_hamilton_beach_flexbrew_single_serve_coffee_maker.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7bfa5b42-07b5-4217-a7f6-3e46e3be10dc/duwomumevijuduf.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a2c845ff-f864-40b1-86e0-922da5dd892e/sofenefebafitagofina.pdfIn PDF document text
- https://s3.amazonaws.com/wiremeresegikon/zigoxowekozudife.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/85df6229-64ff-42d5-b60e-f65865da0c32/adobe_premiere_free_download_for_windows_7_32_bit.pdfIn PDF document text
- https://s3.amazonaws.com/fodose/36913416620.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f3f5daf0-fccb-48f5-bcab-ff711f689a4b/introduction_to_biotechnology_4th_edition_reddit.pdfIn PDF document text
- http://bosovegiged.rf.gd/99acres_app_apk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2d8f1e20-d321-4e12-a924-2e02c3bc6cbc/flowers_in_the_attic_movie_2014_where_to_watch.pdfIn PDF document text
- https://s3.amazonaws.com/jipowumat/siwisalebagokizozajula.pdfIn PDF document text
- http://kolofagigetu.epizy.com/wodapu.pdfIn PDF document text
- https://s3.amazonaws.com/dikobepibelun/2012_jeep_grand_cherokee.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/16bce618-7db2-4b91-8d1b-edf4565ca25b/golebetekojosozer.pdfIn PDF document text
- https://s3.amazonaws.com/kefiperizonofu/52393668602.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e7e17fe9-80bc-461d-a66a-e3c77431a482/dir_655_speed.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_off0000f535.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF535 | 5220 bytes |
SHA-256: 269a68d4fedae577084c78f2b1ba4354a16cbb8fd4f33fff0607eb033392b090 |
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font_01_sfnt_off00010703.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10703 | 11140 bytes |
SHA-256: 68b126689d1517078ef05cc01a3a6dc9d007ba9ec7e9e13ffba1309315c58493 |
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