MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, identified as a 'PDF SEO Link Farm' heuristic, pointing to various PDF files hosted on external services. The primary URL, 'https://nipisod.ru/wix?keyword=the+count+of+monte+cristo+questions+answers', suggests a keyword-based redirection mechanism. This pattern is indicative of SEO manipulation or a phishing lure, aiming to drive traffic to potentially malicious or deceptive content. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 5
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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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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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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://nipisod.ru/wix?keyword=the+count+of+monte+cristo+questions+answers
- https://xamelanaf.weebly.com/uploads/1/3/5/3/135331914/7622249.pdf
- https://nutolifawivu.weebly.com/uploads/1/3/1/4/131437776/36a91.pdf
- https://xubidanata.weebly.com/uploads/1/3/4/8/134895671/9392083.pdf
- https://cdn.sqhk.co/pubabolab/hhhiZgf/18495308430.pdf
- http://senoratikazunub.22web.org/20363812792.pdf
- http://wonamesavap.iblogger.org/33853868874.pdf
- https://cdn.sqhk.co/jifigetuxu/ghCVic7/simple_cure_for_stress_incontinence.pdf
- https://ladifibefumuxuw.weebly.com/uploads/1/3/4/3/134353250/nuvotixumawa_lifiwowanijim.pdf
- https://bopugokux.weebly.com/uploads/1/3/4/9/134901566/mifesiraberimovuf.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/sivanira/angry_neighbor_mod.pdf
- https://uploads.strikinglycdn.com/files/5d3cf9f1-68a8-45c4-a885-9233e7618561/45761400729.pdf
- http://vopapokolozanum.rf.gd/canon_rc-6_remote_control_manual.pdf
- https://s3.amazonaws.com/sifawekujiki/58970619962.pdf
- https://s3.amazonaws.com/niporofez/how_to_get_rid_of_a_zit_in_ear.pdf
- https://uploads.strikinglycdn.com/files/2b17195b-f095-4695-a6f5-284a9b8cfa88/job_stress_scale_questionnaire.pdf
- https://s3.amazonaws.com/xufoxorog/74399205990.pdf
- https://uploads.strikinglycdn.com/files/fa043951-2453-4653-8325-6c479db215cb/compare_and_contrast_two_physical_properties_of_apples_and_oranges.pdf
- https://s3.amazonaws.com/bubeto/janoxebuve.pdf
- https://uploads.strikinglycdn.com/files/e9c86134-ad7d-4b07-a88a-d5d267710189/lofijipofuniwuxabo.pdf
- https://s3.amazonaws.com/dazinibonofobi/algebra_worksheets_year_7_tes.pdf
- http://gogozibopuxut.epizy.com/bopofamoxasafetikoripi.pdf
- https://uploads.strikinglycdn.com/files/755029f9-1c31-4ac7-bddb-ede1b0834aec/gezisuge.pdf
- http://labazorev.rf.gd/the_braggest_font_free.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00015b68.bina17885b4fd577e0298a64705d5055d2ac7c2363fd7008e9cf236b3df412a17d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B68 | 2828 bytes |
font_01_sfnt_off00016562.binf772fce0d4d06569b2fc1111cf5eed3546b9fe297be0671a613aeac09b68a033 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16562 | 5256 bytes |
font_02_sfnt_off0001772d.bin68cf8d0facef0bfd70984a0fab1080c76d020a422da77bb3fded8ec3af3cfaef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1772D | 11732 bytes |
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