MALICIOUS
186
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. Specific URLs and indicators for this sample are listed in the indicators section.
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://crophysi.ru/123?utm_term=l%2527+orthographe+grammaticale+pdf PDF link annotation
- https://xulijuba.weebly.com/uploads/1/3/1/1/131164032/visafosesitir.pdfIn PDF document text
- https://farevilifowo.weebly.com/uploads/1/3/5/3/135390938/6771007.pdfIn PDF document text
- http://warajuvevuv.medianewsonline.com/what_is_a_loop_in_programming_java.pdfIn PDF document text
- http://nibewubixela.getenjoyment.net/baselezo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6739ca04-605d-4ff4-b4c9-4e5bd75a7819.filesusr.com/ugd/031dda_803e1ebc73354c87b17cb1274e103200.pdf?index=trueIn PDF document text
- https://b8f7bc2e-5f90-466c-a76c-b8215bfdb3ae.filesusr.com/ugd/9717d9_9a0363c6c5c7498b827901725e5a2f92.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/560a0817-1f07-4c6b-a6be-ffff0b247868/google_chromecast_h2g2-42_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9e4d0726-1bcd-4022-a675-cf6dc0d1ae4e/norelco_series_5000_replacement_parts.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bac3750e-b5e4-4bed-860f-6a4465bcd18d/bivifodop.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a6d24abe-2793-42e3-958a-6a74fc16cba5/g_shock_ga_100_strap.pdfIn PDF document text
- https://d451e762-8e00-4155-9971-9512d28d2528.filesusr.com/ugd/b52961_0911460808304d2ea59efac8a11b19c3.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f1fb7a4d-ce51-4624-865b-83630f8be8d7/71718955146.pdfIn PDF document text
- https://1ce8651a-bfbb-4b9a-b1bf-24b3b574775a.filesusr.com/ugd/ac72e0_a2ea4b2d5e414a3fad125ee00babe446.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b80dd83f-8ec4-4c4e-9c19-853d727b385e/juvopusilorot.pdfIn PDF document text
- https://32cf4326-ba62-484c-a3ca-05d02c2dd2e5.filesusr.com/ugd/0b46e6_3d3901b8dfea4de397a7b059b6f9f402.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/52fe8e52-05f3-4e34-921b-f73e68d12068/99079017150.pdfIn PDF document text
- http://vekisofekibote.myartsonline.com/bituniguzesurigako.pdfIn PDF document text
- http://zitasixan.atwebpages.com/ti_nspire_cx_cas_manuale_italiano.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00014493.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14493 | 5364 bytes |
SHA-256: 67d75dfa57c43ee1093e8fd1b13f98bf1eb268ba2283239e7db76a3cb79ac461 |
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font_01_sfnt_off000156ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156BA | 13308 bytes |
SHA-256: 7d00406fc54a38c194a148043e4ca2c82a03d2a2625a273d2f1e004e82a55390 |
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font_02_sfnt_off00018119.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18119 | 16060 bytes |
SHA-256: d1a84ba8f0e4a827a048d387db8dd5dae3538f1c7e72415b16af587a9947cdc7 |
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