MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links to known malicious redirector infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, appears to be a lure related to technical specifications, aiming to trick users into clicking the malicious links. The presence of multiple links on disposable hosting further supports a phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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/strik?utm_term=modulus+of+elasticity+of+astm+a36+steel In PDF document text
- https://static.s123-cdn-static.com/uploads/4451348/normal_5ff0f44d68fc2.pdfIn PDF document text
- http://discout.online/lefowaranibupc5b81.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415769/normal_601ff19dcf28c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473619/normal_6026903c7b950.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375344/normal_602fcd944ab42.pdfIn PDF document text
- http://lovemecompletely.com/sudeperarinusofizewapobijsn8s.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4490251/normal_60034145ea0fb.pdfIn PDF document text
- http://openlait.pro/fabujegonozoruwafiwarez00i8z.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390642/normal_60312d29e9f8b.pdfIn PDF document text
- http://winoxolupuvil.getenjoyment.net/n1996_motherboard_connections.pdfIn PDF document text
- http://wubowobipevoto.mywebcommunity.org/65255604445.pdfIn PDF document text
- http://gnoogle.site/mexepiriduwole93i2i.pdfIn PDF document text
- http://solusaxisabo.scienceontheweb.net/plantronics_backbeat_pro_2_review_reddit.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4381762/normal_6003f1d01aa1c.pdfIn PDF document text
- http://my-favshopc.online/zajukexiresowoty20sk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://dopovis.myartsonline.com/rilupof.pdfIn PDF document text
- https://11627308-8c8f-4f08-99ed-0ad85160907d.filesusr.com/ugd/682d1c_7c028c9492034dc793bd08e02c7117a5.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7c173638-2907-4eeb-bbc1-873859258005/ariel_by_sylvia_plath_critical_analysis.pdfIn PDF document text
- https://4123e755-5e7e-4fb8-b167-49ba90d37259.filesusr.com/ugd/fd3290_d4ed6fb4716a4f1c910c0ffdf8332b33.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9908cc77-7be3-4130-847a-f17971fce758/53385952964.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b4e65d4d-4912-47fd-b10f-224f6d77b57c/the_amazing_spider-man_the_ultimate_newspaper_comics_collection_volume_1.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_off0000c73c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC73C | 5496 bytes |
SHA-256: fa920807dc30a78a72176b1a8a0dab21a6290ce295658a8536c0a64af9fbb467 |
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font_01_sfnt_off0000d9f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9F5 | 10328 bytes |
SHA-256: 5b236f2561c5fd215ef69a938d67200fab3a00d504ec2c22487575d75c6dd6ef |
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