MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document exhibits characteristics of a phishing or scam attempt, indicated by the presence of a large number of external links designed to redirect users. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_UTM_REDIRECTOR_LINK' strongly suggest a malicious intent to funnel users through redirectors like 'https://pistant.ru/pbw?utm_term=th9+art+base'. While no scripts were explicitly extracted, the PDF structure and numerous external links point towards a malicious campaign, likely involving spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://pistant.ru/pbw?utm_term=th9+art+base PDF link annotation
- https://cdn-cms.f-static.net/uploads/4470017/normal_5fe9078b571f0.pdfIn PDF document text
- https://ripixupazina.weebly.com/uploads/1/3/5/3/135343237/4c859fb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405922/normal_5fe9b31e3edeb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463308/normal_5fdace600d56e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404122/normal_60467a6dbc9cc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4423442/normal_5fc61492b4f2a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475382/normal_602fe75b6b661.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467043/normal_6044616af3fa7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4466135/normal_5fdc4f4d22655.pdfIn PDF document text
- https://wonidajubiput.weebly.com/uploads/1/3/4/0/134017859/150675.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/f6495c60-912b-4e54-90b1-86de282a6c62/i_robot_season_2_cast.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f7be1c6a-5efd-4cd5-b8d6-e184a854b60b/33959855427.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3775fe07-21fc-41d0-898c-1750a8be9551/special_relativity_for_the_enthusiastic_beginner.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f3b6cb0e-502d-44cb-bf70-7081a5a32e31/xevaxuzipebipedugejek.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8f5777c4-4030-4ac2-a591-330aec33abf8/essay_sample_apa_format.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/08b4607c-b830-4bc4-93de-f11b06b454c3/chicken_shack_near_me_delivery.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0bd308f8-506e-4a8e-a7fd-ef811f0f3607/50226095618.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c930a508-4982-4d80-b20f-6af805adde99/jesus_you_are_the_centre_of_my_life_lyrics.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9e650217-0943-4e5d-9389-66820094b890/41451835858.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/630b5e43-f93f-4b6e-93df-3cb0469f52a0/dibs_en_busca_del_yo_libro_completo_gratis.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_off0000e5f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5F8 | 4988 bytes |
SHA-256: 01493243aaada144790d385a82459f8a425d54761a1bae1562590ad981aef452 |
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font_01_sfnt_off0000f6dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6DD | 11032 bytes |
SHA-256: 5a6d838229fd1c160b405efcb971a0d651360c7f2a32922a8e92d8647ce196c5 |
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