MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a ClamAV detection and an ML classifier. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO spamming operation. One prominent URL, 'https://zajinet.ru/strik?utm_term=toro+524+snowblower+spark+plug', is embedded within the document's structure, indicating a potential lure or redirection mechanism.
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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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://zajinet.ru/strik?utm_term=toro+524+snowblower+spark+plug PDF link annotation
- https://cdn-cms.f-static.net/uploads/4483359/normal_6059c5d23eeb0.pdfIn PDF document text
- http://xubajur.mygamesonline.org/11571433653.pdfIn PDF document text
- http://tells.fun/86375556358fqoht.pdfIn PDF document text
- http://wogivodugakovek.mygamesonline.org/appsc_group_2_screening_test_syllabus_in_telugu.pdfIn PDF document text
- http://maewallace.com/acer_aspire_v5-571_charger7aknp.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4373264/normal_6004a54c666b0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4529977/normal_6060fab6264e0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376874/normal_60090a6b43538.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488604/normal_606b9513d210b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365599/normal_606231a058c10.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450045/normal_5ff9383cd0fa8.pdfIn PDF document text
- http://tomokatixo.mygamesonline.org/93321684084.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369794/normal_6064d985d08e9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415334/normal_604b55585760f.pdfIn PDF document text
- http://bikejesoxatelo.mygamesonline.org/maya_angelou_quotes_about_life_lessons.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://bidusibebawuz.onlinewebshop.net/microlife_blood_pressure_monitor_replacement_parts.pdfIn PDF document text
- https://d75bbb92-b0e4-4b50-83e6-2443e695523b.filesusr.com/ugd/bc73b9_237c71b00b224041b39a1af08705f35c.pdf?index=trueIn PDF document text
- http://zeteximezoxa.myartsonline.com/bande_dessine_tom_sawyer.pdfIn PDF document text
- http://gekolutewubel.myartsonline.com/casio_g-shock_rangeman_gpr_b1000_multifunction_watch.pdfIn PDF document text
- https://a49a6154-edc8-4132-95a2-c7bb8d673fe9.filesusr.com/ugd/551169_1451d5ccf013491cab01a099bf255fba.pdf?index=trueIn PDF document text
- https://b0837e58-6fb0-4b2c-a83d-c451c4d85cc2.filesusr.com/ugd/1169b1_592e7891916142059886a629e967dff4.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC93 | 5576 bytes |
SHA-256: 8adc5fd86753e935400fd95c3514dbb310180b9acf2116c6c8521329e2a80279 |
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font_01_sfnt_off0000ffb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFB6 | 11240 bytes |
SHA-256: 5cd79205598d42c829a08eccc087cd5644bc11caec53e0c7928e4f7884a7cf72 |
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