MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of embedded links, many of which point to redirectors and SEO link farms, indicating a phishing or malware distribution attempt. The primary malicious link identified is 'https://crophysi.ru/strik?utm_term=scooter+repair+center+near+me', which is presented as a search result. The ML classifier and ClamAV detection strongly support the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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 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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=scooter+repair+center+near+me In PDF document text
- http://laitlabs.pro/electrical_engineering_course_online_freeg6zbu.pdfIn PDF document text
- http://jinosewifuwefe.22web.org/titas.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4488855/normal_5ff5a4307efa6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368481/normal_60450a7faefbe.pdfIn PDF document text
- http://jufikubenisobo.iblogger.org/cours_chimie_atomistique_l1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447084/normal_602fe0021c898.pdfIn PDF document text
- http://tadezutalowebe.22web.org/9985022464.pdfIn PDF document text
- http://stankovit.ru/dutch_sheets_intercessory_prayerjiv6z.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://jomewuborova.rf.gd/english_grammar_worksheets_for_class_6_cbse_with_answers.pdfIn PDF document text
- https://s3.amazonaws.com/bugutaj/administrative_officer_resume_format.pdfIn PDF document text
- https://s3.amazonaws.com/jubiferekaka/arcing_horn_gap_in_transformer.pdfIn PDF document text
- https://s3.amazonaws.com/dikobepibelun/nursing_diagnosis_book_online.pdfIn PDF document text
- https://s3.amazonaws.com/dowesitobuga/avgn_adventures_2.pdfIn PDF document text
- http://zaritopewebo.rf.gd/69380303286.pdfIn PDF document text
- https://14579757-8399-40ae-9aa0-1c510f02119b.filesusr.com/ugd/5613ee_2d556ff6fc9d49909e87206213c10092.pdf?index=trueIn PDF document text
- https://f3215690-35ba-4bce-915f-db1a6f912a1b.filesusr.com/ugd/d32599_5fa23869707d4d4382c5d51960d947dd.pdf?index=trueIn PDF document text
- https://12f7643e-9106-4823-89c2-0bdaecd1bc22.filesusr.com/ugd/1f6d71_4e1c83fce159446985d2d7ae61677d14.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_off0000daea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAEA | 4972 bytes |
SHA-256: b9277104c1052d5790e8818df329b874757cd30c90ebb29eea9c9ef5bcc1f7fa |
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font_01_sfnt_off0000ebbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBBF | 9868 bytes |
SHA-256: 0af2bac61043a92ff4e815b38b9212b9dd7a8e213d342458ffe795555d512318 |
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