MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a large number of external links, many of which are on disposable domains, suggesting a link farm or redirection scheme. One of the primary URLs identified is https://jacksth.ru/strik?utm_term=powerstation+psx2+battery, which likely serves as a lure or initial redirect.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://jacksth.ru/strik?utm_term=powerstation+psx2+battery PDF link annotation
- http://expo-kit.ru/70855123835mg1sj.pdfIn PDF document text
- http://copyright-notice-ig.com/51079127905esgh.pdfIn PDF document text
- http://begdas.space/xuwuxefejomebejuwasomixh6zwv.pdfIn PDF document text
- http://bonifacy.site/adobe_after_effects_cs6_tutorials_for_beginnerszr62g.pdfIn PDF document text
- http://storeeuro.info/cual_es_la_diferencia_entre_motor_de_corriente_continua_y_alternax8rd2.pdfIn PDF document text
- http://dkmz3.club/baby_phone_number_whatsapp_addz9mh4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8137cd1e-393d-4948-8193-eca935452849.filesusr.com/ugd/756799_57056018d0b14642a97f2b6f81cb60be.pdf?index=trueIn PDF document text
- https://af30af13-e0b7-4de0-aca7-7783c01eade2.filesusr.com/ugd/9757e7_cf5278519f124d4180bf337f28ffdd2e.pdf?index=trueIn PDF document text
- https://3fb740b9-71d8-4183-8edb-de11b68c0a29.filesusr.com/ugd/1fbf8b_674908af518b44acb218c3f54d4cd247.pdf?index=trueIn PDF document text
- https://1f9cfe0c-d655-4514-b58a-75380282e405.filesusr.com/ugd/d31784_ac9fb641069240d69ce19ab3fb4196aa.pdf?index=trueIn PDF document text
- http://welojorolepone.rf.gd/case_files_pediatrics.pdfIn PDF document text
- https://ad9f1622-e3b7-49db-bfef-326c48fb2104.filesusr.com/ugd/a467d2_93680e7e4cc54d1cb4c910d2fdec43c4.pdf?index=trueIn PDF document text
- https://22520ec4-2132-45a5-98b8-54db1b71d3ea.filesusr.com/ugd/b33b96_16db221bb5ce40ab9d25344baf4fbdde.pdf?index=trueIn PDF document text
- http://fekerudosepu.rf.gd/trends_in_the_periodic_table_worksheet.pdfIn PDF document text
- https://5e54824a-8208-41b0-8aeb-7c017e8cfb46.filesusr.com/ugd/f64db8_797daf3cd65c42c9baa711a61bd60a6b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vifusupegiza/incident_accident_procedure_for_reporting.pdfIn PDF document text
- http://jagazasa.epizy.com/darepigevugev.pdfIn PDF document text
- http://jagakemiwowinig.epizy.com/govegitigevutadukasuxe.pdfIn PDF document text
- https://acfcda0b-1795-4b40-aedc-9a0bc13047ce.filesusr.com/ugd/89c6ad_75eb1c136ff34fb4bd21e2297c247630.pdf?index=trueIn PDF document text
- http://lisunamubeso.epizy.com/oresteia_peter_meineck.pdfIn PDF document text
- https://s3.amazonaws.com/xijilesuzuxo/fatigue_stress_concentration_factor_kt.pdfIn PDF document text
- https://f06ae689-34e6-4fd9-b749-a5985747e370.filesusr.com/ugd/4117a9_a1ab7077e1b9467c9108e1325daeede3.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/voropa/82851953477.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_off0000d5ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5ED | 5316 bytes |
SHA-256: 2686b52672b0fec1ca9a97c8caccc90193237714b08cb88e1f7e77af65dd861e |
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font_01_sfnt_off0000e827.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE827 | 10772 bytes |
SHA-256: 4efdbdcdb9da828c3006bf8e1fad3f44a119f40aaae968ee64b65ef0ba80de94 |
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