MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an invoice-themed lure. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 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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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://bologen.ru/123?utm_term=katzenbach+john+der+reporter PDF link annotation
- https://static.s123-cdn-static.com/uploads/4455914/normal_5feafff0169c1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415052/normal_604ed3051cdc6.pdfIn PDF document text
- http://jetavimazi.22web.org/sa_seventh_day_adventist_songs_free.pdfIn PDF document text
- http://mojizeki.22web.org/ap_eamcet_2019_bipc_key_sheet.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393208/normal_5fcbad2340f5c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422628/normal_600a54088c9b5.pdfIn PDF document text
- https://cdn.sqhk.co/jagibuvat/iibichj/wonomozariwudoxox.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451752/normal_5fc8704362019.pdfIn PDF document text
- https://cdn.sqhk.co/pananumujo/ejbjbij/download_game_dead_zombie_shooting_mod_apk.pdfIn PDF document text
- http://folokuvatajaweg.22web.org/97837516571.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380228/normal_5fccb8f1747df.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://novosumagib.epizy.com/gta_vice_city_stories_aptoide.pdfIn PDF document text
- https://s3.amazonaws.com/wovisak/67385046470.pdfIn PDF document text
- http://rozesefotuduwef.epizy.com/enfermedad_de_chagas.pdfIn PDF document text
- http://tinijev.epizy.com/moxevekilanususazovoded.pdfIn PDF document text
- https://s3.amazonaws.com/tuxexi/flight_test_report_ppl.pdfIn PDF document text
- http://zirofasorajama.epizy.com/asphalt_8_highly_compressed_mod.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_off0000eb00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB00 | 5184 bytes |
SHA-256: 4e54fce732e9ea71f6749c3ad07e9251c06b4975dcb236775241b2d2661e545f |
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font_01_sfnt_off0000fca9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCA9 | 12028 bytes |
SHA-256: d2d1caef290d36180bc7d77d24164a3350f4e8521e342aa26dea0467503aadf9 |
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