MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to SEO-optimized URLs designed to redirect users to potentially malicious sites. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of these links, suggesting a phishing or malware distribution scheme. The presence of ClamAV and ML detection further supports its malicious nature. No scripts were extracted, but the document structure and embedded URLs strongly suggest a phishing or content-luring attack.
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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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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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://bologen.ru/wix?keyword=holmes+county+central+high+school+district PDF link annotation
- http://musomojil.mywebcommunity.org/when_do_you_grow_tomatoes_in_florida.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370530/normal_5ffcb63f8b89a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445558/normal_5feb6c8b89f8e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4493209/normal_5fdcdbbb53d23.pdfIn PDF document text
- https://togawakavepanef.weebly.com/uploads/1/3/1/1/131163752/xudoruxik-jivufetul-dunigoketavixew-jurav.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388842/normal_6021f4e4ca532.pdfIn PDF document text
- http://lazirog.mywebcommunity.org/wotexazekenegojanak.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4381291/normal_5fcd26c681c53.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://c5c27394-2042-4749-9b39-d1c24dcbd9f0.filesusr.com/ugd/e9b987_3bab3411db3a4ea7bfad4a015a8ccfd5.pdf?index=trueIn PDF document text
- https://2dc0326d-ac60-47d8-bf46-f2dc9d334570.filesusr.com/ugd/21b4a7_1a9cdddd70284fc9b14b070d39c6b663.pdf?index=trueIn PDF document text
- https://71a5d838-4e22-4830-8da1-7955ec3365f5.filesusr.com/ugd/f2f43e_1ca7ca250b524e94a45be85ad1de9b4d.pdf?index=trueIn PDF document text
- http://nuzikenevizut.onlinewebshop.net/benim_hocam_trke.pdfIn PDF document text
- https://af4bb04d-41a2-413c-b691-ce0a46ff998d.filesusr.com/ugd/e677f8_1447e1f475044145ad647ef27249068b.pdf?index=trueIn PDF document text
- https://1fa67a36-2e8b-44cc-a955-751d80433762.filesusr.com/ugd/d85e51_5b5f16c9160c4cf7ba380a158adece49.pdf?index=trueIn PDF document text
- https://2a1457bb-a4d2-449b-8914-d784a503a6da.filesusr.com/ugd/c0fca2_3a218ecd71664245835e7a8375bdea9f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/07a8afa0-c539-4947-af73-567f6036a4ca/how_to_set_up_blue_clean_power_washer.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_off0000d660.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD660 | 5416 bytes |
SHA-256: 3af47e49be6ee297e2910266d477eb2227a0bd780631bf33dbe68c0f923dc06d |
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font_01_sfnt_off0000e8a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8A0 | 11292 bytes |
SHA-256: cc9f932f2cebbb4c76cff3291528e18b6da4e139ae8a2a8a3c7129401f17ae41 |
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font_02_sfnt_off00010f57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F57 | 16204 bytes |
SHA-256: a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd |
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