MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many of which point to disposable hosting and are likely part of a link farm designed to manipulate search engine results. The primary malicious URL identified is 'https://xezojetit.ru/award?keyword=russian+fairy+tales+in+english+pdf', which is likely used for phishing or distributing further malware. ClamAV detection and ML classification strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://xezojetit.ru/award?keyword=russian+fairy+tales+in+english+pdf PDF link annotation
- http://zuzorovix.scienceontheweb.net/53244967857.pdfIn PDF document text
- http://nezowigivomi.scienceontheweb.net/sistema_aerobico_e_anaerobico_lactacido_e_alattacido.pdfIn PDF document text
- http://siwosupegejolop.medianewsonline.com/sunaduzipovewudoti.pdfIn PDF document text
- http://pazifelurup.medianewsonline.com/32965640577.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://uploads.strikinglycdn.com/files/0419fed4-46d1-45f5-9eb1-459333758aa9/73254278472.pdfIn PDF document text
- https://592908bf-dd96-48cc-88d9-ffebbdd10d84.filesusr.com/ugd/f34823_b9f8093cff4e45599304a03091218686.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/63e1a3e4-6adb-4b8c-b35b-c276dfa1cebd/68491391570.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/952638e2-8bf5-4e73-88c6-d3afe469c4ba/how_to_make_a_chai_tea_latte_with_oat_milk.pdfIn PDF document text
- https://62abf401-5fc9-4991-ac00-cb6a0c8cf8ec.filesusr.com/ugd/e4ff69_81251e4ab6e543a6b283b5e97cf753a9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/81a93738-d035-46a3-a775-5c1c244d2be7/76262077482.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e72197a4-16f7-4252-8b62-98edf9c1b90c/can_you_add_safety_sensors_to_an_old_garage_door.pdfIn PDF document text
- https://9f503c4c-bf14-4dcb-9a7a-68e0e5bb3568.filesusr.com/ugd/8ac1ab_471e531596514581ae28b17ac2149959.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jixeremipet/china_capital_markets_reform.pdfIn PDF document text
- https://a208a2de-cee2-48c2-86e3-c620a022946d.filesusr.com/ugd/dda32d_d1b03fff703149f895ae572cc0ba1b48.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tapexiw/xijulugumikuxuvigosut.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bb0d9189-da19-41cd-986d-6aaa21cb0e71/what_are_the_three_purposes_of_laws.pdfIn PDF document text
- https://acfcda0b-1795-4b40-aedc-9a0bc13047ce.filesusr.com/ugd/89c6ad_65055f3db37843cdb80ac44b10b39701.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/cf6e0910-5b16-4bdb-a03a-00fba40a94bb/badamune.pdfIn PDF document text
- https://s3.amazonaws.com/wujapu/information_technology_meaning_in_english.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000102c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102C9 | 5184 bytes |
SHA-256: bf7b2e19090f9a55ea2d7be002bd42d7eb7a032a2ad9f4cc9bc16bd321130fbe |
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font_01_sfnt_off00011466.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11466 | 10164 bytes |
SHA-256: e507887832434c51a5b1ca28930a00d47195f33caac9a86c2ef9d34e735d454e |
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font_02_sfnt_off000136f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136F6 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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