MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of external links, many hosted on disposable domains, indicative of a link farm or SEO spam campaign. The primary malicious URL identified is https://baarspo.ru/strik?utm_term=control+system+engineering+certification, which is likely used to redirect users to malicious content or phishing pages. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://baarspo.ru/strik?utm_term=control+system+engineering+certification PDF link annotation
- https://cdn.sqhk.co/jigavozef/3abhjoC/94324577889.pdfIn PDF document text
- https://cdn.sqhk.co/gebunemif/5hahda7/star_wars_movies_timeline_release_date.pdfIn PDF document text
- https://cdn.sqhk.co/zoribakim/eOjfnid/63950988147.pdfIn PDF document text
- https://cdn.sqhk.co/xupodafib/ggt4tjh/goat_simulator_trophies_goat_city_bay_xbox.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://dekubovuvupo.epizy.com/33538408806.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b2c14341-2bdd-4def-9475-f77d67d53bb3/what_is_9001_in_iso.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2fe973d8-c5a3-4c22-bb29-0ded1e96f336/fikelevirisogam.pdfIn PDF document text
- https://7162f0c1-3bb2-4775-9ad2-1e34613fb889.filesusr.com/ugd/595093_24c3d769467c4bbcaa43d5a1f92c45be.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9b63b070-4fa5-418f-bce8-79ae7558ad88/20073117426.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f856855d-a542-41cc-9d30-d61e0c0c106b/trane_humidity_control_not_working.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2a5eb82a-5563-43c7-a2ff-991a243eff1c/how_to_send_certified_mail_manila_envelope.pdfIn PDF document text
- http://veselawo.rf.gd/79493711120.pdfIn PDF document text
- https://e4034479-4ead-418b-af8c-5be8dc72bdbe.filesusr.com/ugd/1e8759_7b117a1231ee4519924a88c8e5231048.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4a3adad5-e188-415e-9178-c7b2528037fc/95134419982.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6025c120-9e1e-436d-bddd-0e03f3112d90/what_is_the_beautiful_story_of_your_life_quiz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b16a1cfa-d25d-4d25-9818-c7af0c4f6f1b/berurewofofibejikujo.pdfIn PDF document text
- https://dc58184e-bbba-402a-8e08-a55d552c8f3f.filesusr.com/ugd/0ebc1f_417b04f34f644e0d970eec2dc347b7fe.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7d04f382-6935-4281-be30-1368413ef692/how_to_connect_universal_remote_to_tcl_roku_tv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/90d8ee06-c53a-4fb8-a5d4-2f67aa99e319/44477494554.pdfIn PDF document text
- http://bifarukudivur.epizy.com/92467389893.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_off0000fb54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB54 | 5208 bytes |
SHA-256: 617772baa80fcb4355509a589900aedcb8bce82c80e2eef6f8c31527324ca1d2 |
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font_01_sfnt_off00010d00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D00 | 10772 bytes |
SHA-256: 691415c7cf7e8f78b4e0561005b93752f3d95b29ebdea069236d717810ebcbd2 |
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