MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including a high-severity 'PDF_SEO_UTM_REDIRECTOR_LINK' rule, indicating it functions as a free-download phishing lure. The embedded URL, https://trafffe.ru/123?utm_term=maplestory+beast+tamer+bossing, is the primary indicator of this malicious redirection. While no scripts were explicitly extracted, the PDF structure and the nature of the URL suggest an attempt to redirect users to a malicious site, likely for further exploitation or credential harvesting.
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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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://trafffe.ru/123?utm_term=maplestory+beast+tamer+bossing PDF link annotation
- https://cdn.sqhk.co/foxidagon/4jiUMjd/4k_wallpaper_for_gamers_full_hd_wallpapers.pdfIn PDF document text
- https://cdn.sqhk.co/nukuzulu/bvKifmS/tukave.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/dazifozixawus/2019_honda_rebel_300_owners_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/78767bca-b3be-4300-af7c-6361fa5d25ec/39074657189.pdfIn PDF document text
- https://s3.amazonaws.com/farowug/vupejogazejisikakuziji.pdfIn PDF document text
- https://s3.amazonaws.com/pusumowi/74439708603.pdfIn PDF document text
- https://s3.amazonaws.com/wixanarer/joy_ride_cast_members.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e001b89f-6f44-4697-8cdb-790fee188cef/spice_chart_ap_world_history_answers_chapter_1.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3d885e22-6895-4a40-8a9d-c3c53967bd1f/niguzaretusos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4fc09fbe-470c-4439-b65a-feae552d6f20/45012462566.pdfIn PDF document text
- https://s3.amazonaws.com/kiwopusafize/99968752966.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_off000165fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x165FC | 5384 bytes |
SHA-256: 7dba9dce7736be3cb2a32a4178adc3489e41437a9ffd8e9de485283add77ac2f |
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font_01_sfnt_off00017849.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17849 | 15188 bytes |
SHA-256: 19e39b75256194fa9a72b9eabce2ec556299a74e28fb04b7b4c67d7ee4908940 |
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