MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. It contains numerous external links, many pointing to disposable domains, suggesting an attempt to manipulate search engine results or distribute further malicious content. The PDF_SEO_LINK_FARM heuristic indicates a high volume of external links within a small PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://kuzutuzo.ru/award?keyword=alcoholismo+en+adolescentes+causas+pdf PDF link annotation
- http://jofipifemu.medianewsonline.com/greenhouse_effect_diagram_worksheet.pdfIn PDF document text
- https://burivoren.weebly.com/uploads/1/3/4/2/134265934/477043.pdfIn PDF document text
- http://tapasin.sportsontheweb.net/78382463500.pdfIn PDF document text
- http://wugipesirexoxof.mygamesonline.org/92383620420.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453902/normal_601b27ba71cdc.pdfIn PDF document text
- http://rebelliona.online/yamaha_aventage_rx-a730_review9m7c8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470209/normal_5fe9046166cdf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369165/normal_5fd7d8ef27d2e.pdfIn PDF document text
- http://doctora.club/how_many_carbs_are_in_sonic_popcorn_chicken5ooma.pdfIn PDF document text
- http://justiciaforjustice.com/dazigupirivitugasebibifefznxw.pdfIn PDF document text
- https://zixozuji.weebly.com/uploads/1/3/1/4/131454221/2640804.pdfIn PDF document text
- http://theraisins.pro/printer_cartridge_hp_officejet_pro_8620tspkn.pdfIn PDF document text
- http://all-system7.work/nopudoqdz4s.pdfIn PDF document text
- http://lollipopa.online/mesogakuronezujiqn3x9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413363/normal_604498115f6ff.pdfIn PDF document text
- http://justiciaforjustice.com/how_do_i_light_my_furnace_pilotjx6i1.pdfIn PDF document text
- http://pokupka.space/how_to_clean_cuisinart_coffee_bar_coffee_grinderen3yn.pdfIn PDF document text
- http://itsamorem.com/frequency_distribution_table_examplesubvsw.pdfIn PDF document text
- http://wimuzawoxi.getenjoyment.net/dsc_pc1616_user_manual.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443325/normal_5fe7a7686bab4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://5fdaa9e0-ad6d-443b-8779-beb8e45026dc.filesusr.com/ugd/05301a_fbef1381f38242b2bbf30d30f0fe51ca.pdf?index=trueIn PDF document text
- https://e4dd5bf8-bd13-43e3-b37b-9624b2564f03.filesusr.com/ugd/093416_50301198057d4bb1b76e98df0e385045.pdf?index=trueIn PDF document text
- https://df256b98-640c-444d-885a-8195c7360722.filesusr.com/ugd/40b9e6_b28c3d6084d948ebb7743bc7440cf0f3.pdf?index=trueIn PDF document text
- https://a43ab9c2-5efb-4cee-ac06-b782a0f5e207.filesusr.com/ugd/4826f5_d4cabecdf74544e4bb9ce4a8fd861d1b.pdf?index=trueIn PDF document text
- https://920f4c01-5fd6-4c40-8b27-b99972fecb60.filesusr.com/ugd/d63aaf_64f273fe5f334e0891759bf712b485eb.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC92 | 5172 bytes |
SHA-256: 03c6a6205a3f9050c79c7453ea753643313459efaee2eb2abf192a6c2f041b5b |
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font_01_sfnt_off0000fdf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDF5 | 11672 bytes |
SHA-256: 2bceee047ef88cab2118b9a64324be5e3d387c9dec466e3decbda18d3b56a0a9 |
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font_02_sfnt_off0001243a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1243A | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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