MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including ClamAV and an ML classifier. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or phishing operation. The primary malicious URL identified is https://xajibur.ru/award?keyword=adjectives+and+adverbs+advanced+exercises+pdf. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://xajibur.ru/award?keyword=adjectives+and+adverbs+advanced+exercises+pdf PDF link annotation
- https://cdn.sqhk.co/vivokunavu/dg4fCym/fmi_football_manager_2019.pdfIn PDF document text
- https://cdn.sqhk.co/doxelatofon/nzOigH8/29783192045.pdfIn PDF document text
- http://lizetadolanut.iblogger.org/wuzuniwefojipedaded.pdfIn PDF document text
- https://cdn.sqhk.co/remowiwa/jfgjygj/51377297694.pdfIn PDF document text
- https://cdn.sqhk.co/zupololano/hc6LJjc/origami_star_easy.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378378/normal_600c13a31a86e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443357/normal_602ec1bb1c92b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366949/normal_5fd0e342c9dd3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416136/normal_602dc728e5d5c.pdfIn PDF document text
- https://cdn.sqhk.co/xawodoze/c3ificx/school_girl_simulator_hack_apk_money_new_version.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/e8674be4-1e3d-48e2-8ca8-fabb069d4ab3/meaning_of_robert_frost_the_road_not_taken.pdfIn PDF document text
- https://4779f2f8-a33e-4327-9c78-21ee0bcf4620.filesusr.com/ugd/31bf02_7a453478300a4cd98bd9ffdd4eaeba3f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8071bc6b-c72b-401c-a0a0-9389d4e7911e/gre_prep_classes_near_me.pdfIn PDF document text
- https://d85b1738-a471-4043-b59e-116b2bb794a3.filesusr.com/ugd/97927e_adc5cabb408d40b2b8d0550a18214f01.pdf?index=trueIn PDF document text
- https://5071cc05-3fa2-46b1-b944-d2523ca4b51d.filesusr.com/ugd/62e2c1_063472fa600e47e18f6972a06fa6e857.pdf?index=trueIn PDF document text
- http://pisironebininuw.rf.gd/18870221400.pdfIn PDF document text
- https://5b3fc17b-a4fb-4144-9a53-ff617e35bc6a.filesusr.com/ugd/696117_ba3ae31f7b7a468393306d507554677c.pdf?index=trueIn PDF document text
- https://0e8f88b9-656e-4b05-9cd8-8bd477f85547.filesusr.com/ugd/95b9ea_06c1f622a86f479c956e1573d7c1baa9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6e64f4af-c8f1-4355-8a66-87f10848d4ac/21180291587.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7e891eac-95a2-415b-9aa6-fa563e330efb/872068923.pdfIn PDF document text
- http://topufopotu.epizy.com/using_calibre_to_convert_kindle_to.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_off0000d525.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD525 | 5448 bytes |
SHA-256: 5b941503b296ad43e1b5b28c93e3c959942e2d6040bd36e3d918f9f9b1af07f9 |
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font_01_sfnt_off0000e7c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7C7 | 10796 bytes |
SHA-256: 050ceff492b129644cf8b05fc872af52aa4ee34017f56ac06e2390ce1989e33d |
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