MALICIOUS
194
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. The file embeds a large number of external links characteristic of an SEO link farm and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://vilenefex.ru/123?utm_term=autocad+2013+commands+cheat+sheet PDF link annotation
- https://cdn.sqhk.co/kimejijomaki/dzWjf6q/disney_princess_coloring_pages_free_printable.pdfIn PDF document text
- http://rotawafuwuno.scienceontheweb.net/introduction_to_finite_element_analysis_using_solidworks_simulation_2020.pdfIn PDF document text
- https://nixotebiwozo.weebly.com/uploads/1/3/4/6/134667174/xajarisuwaxozuri.pdfIn PDF document text
- https://vijibasotaxeja.weebly.com/uploads/1/3/5/9/135990507/08d6720.pdfIn PDF document text
- https://mumifigade.weebly.com/uploads/1/3/4/3/134314269/2648219.pdfIn PDF document text
- https://buputulu.weebly.com/uploads/1/3/0/7/130738697/6383061.pdfIn PDF document text
- http://bafiselavanebep.mywebcommunity.org/payment_agreement_form.pdfIn PDF document text
- https://cdn.sqhk.co/jiluputumusi/gcgjhcu/jelly_shape_shift_jelly_fit_cube_shifting.pdfIn PDF document text
- https://cdn.sqhk.co/tuxonewebuke/giihUsM/23187729267.pdfIn PDF document text
- https://cdn.sqhk.co/pubodegosog/ihTtgfk/dizomuzawevapif.pdfIn PDF document text
- https://cdn.sqhk.co/farovufu/jjjgger/64150934858.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://77a80da1-97a3-4b40-ba11-54c6d232eb66.filesusr.com/ugd/39a0fd_4b6ec4691253480c933034e26a09be9d.pdf?index=trueIn PDF document text
- https://21d44941-995c-48b9-956b-8145330e20d5.filesusr.com/ugd/577b75_850337e465864036a13ac711fee6190e.pdf?index=trueIn PDF document text
- https://459fb65c-52af-4c88-885a-43a44fbeaf25.filesusr.com/ugd/6a7407_b9f8927bb54c404b8c16fb4a664ad774.pdf?index=trueIn PDF document text
- https://42190e62-4dca-482d-a077-ae7b222d7779.filesusr.com/ugd/b91392_b6e418fa47f1477ea5b6b8ee3e4d6ac5.pdf?index=trueIn PDF document text
- https://b6de9e3f-c562-4e05-b5ee-70895c8060ae.filesusr.com/ugd/3801ff_8d6d7a13310846ddb0df7859dc038791.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/13bda657-14b1-4c89-942c-75e9dbcf83da/integration_of_1_32_cos_x_dx.pdfIn PDF document text
- https://e97408dc-4b05-4e3b-9f19-f4127feb49ef.filesusr.com/ugd/a42eed_793371d1801048fc9381fd984065ae0c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/24f720b1-2f4a-4e34-8b59-682a237d8f93/90529796677.pdfIn PDF document text
- https://8c4778c4-ed17-4cf1-86f9-5448e21c5c15.filesusr.com/ugd/6da380_be7b65358b624809a6c54d9143032086.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_off00012d08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D08 | 5532 bytes |
SHA-256: 3d38f2cc1ea1ba7492166dd15c5f61de6418ca6bf3e221e2182b03e9d621f5b7 |
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font_01_sfnt_off00013fb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FB8 | 10848 bytes |
SHA-256: 2fe4e0d274f0529f3d9f9101953328b32e528172c8d52609c77ce4196f2ad087 |
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