MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many of which point to an SEO redirector. The primary malicious URL identified is 'https://bologen.ru/123?utm_term=curtain+animation+in+powerpoint+free', which is likely used to deliver a payload or phish for credentials. The ClamAV detection and ML classifier strongly indicate malicious intent, classifying it as Pdf.Phishing.Trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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/123?utm_term=curtain+animation+in+powerpoint+free PDF link annotation
- https://static.s123-cdn-static.com/uploads/4451019/normal_6003df6eebb94.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4457305/normal_5fcd508258687.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403283/normal_601f550152d32.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454547/normal_5fd71e56e3b26.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4478961/normal_5ff7a3b77b82d.pdfIn PDF document text
- https://cdn.sqhk.co/xalibolopov/hhgjTig/2370634873.pdfIn PDF document text
- https://cdn.sqhk.co/mujawiru/hep6Bhi/47178828231.pdfIn PDF document text
- https://doliwejivus.weebly.com/uploads/1/3/4/3/134353379/kutobulatojitorulim.pdfIn PDF document text
- https://cdn.sqhk.co/jakovenuz/hbifnha/88610897017.pdfIn PDF document text
- https://kiwiwutirove.weebly.com/uploads/1/3/4/7/134707888/jokagowiluxik_tapes.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412897/normal_5fe781cb2475d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4458628/normal_5fcf4491e8cf5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368781/normal_602a143556721.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/9bbaacdd-faf0-4107-8d8e-ac4ecb72039e/how_to_paint_a_palm_tree_with_acrylics.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/67d79291-f62f-4580-8151-8549adfe82d4/who_builds_craftsman_snowblowers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2f30c1fc-59da-4a6b-b3e1-0b6f2c1d5a4a/17767886328.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a3eac440-9111-477f-be06-0f28ac076e9e/wapamivulajuvakod.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/584c14f6-cc5d-4014-a1e7-094b870d9b03/birikavugevog.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ccb679e7-5340-4951-8016-7bb075ef6925/how_to_put_vicks_pads_in_humidifier.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c68644d-36eb-48c8-82c5-938617ef55bf/61092180456.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e66b4c87-080f-443e-aef6-0919ad1769e5/39000200291.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/001070bf-3100-4ed8-8e44-4af94beeff59/hindi_heart_touching_love_story_video_song_download.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_off0000dc98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC98 | 4832 bytes |
SHA-256: 894e709123e89a0f8a7ba4020aed70d86365554599e7001e8adcd5d27bb50bc7 |
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font_01_sfnt_off0000ed02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED02 | 10384 bytes |
SHA-256: c011007d2891ab1900124b9e0439e72e2099173e317588196b582ec85c0eb6aa |
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