MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://crophysi.ru/123?utm_term=five+minutes+to+kill+yourself+game'. This URL is likely used to phish users by masquerading as a game or application download. The ML classifier also strongly indicated maliciousness, supporting the phishing pretext.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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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/123?utm_term=five+minutes+to+kill+yourself+game In PDF document text
- https://cdn.sqhk.co/feluxolid/Kgcgifj/sago_mini_boats_apk.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384046/normal_5ff65d2e16483.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476420/normal_5fff431859ae0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381737/normal_5fe6b7f7b8542.pdfIn PDF document text
- https://site-1254837.mozfiles.com/files/1254837/proyecto_de_grado_arquitectura.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486036/normal_5fcce45ec3b85.pdfIn PDF document text
- https://cdn.sqhk.co/sixepatexup/d0gjijf/best_romance_books_with_secret_baby_read_online.pdfIn PDF document text
- https://site-1176298.mozfiles.com/files/1176298/url_video_player_apk_ad_free.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4407100/normal_5ffc1af596040.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488336/normal_5fd6233ed4d6d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4461250/normal_5fd916ffba313.pdfIn PDF document text
- https://cdn.sqhk.co/wirowanorax/hhhfjjp/the_maxx_comic_collection.pdfIn PDF document text
- https://site-1217406.mozfiles.com/files/1217406/minecraft_crafting_guide_1__13_2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://bitugoxopezuwu.rf.gd/thuthuka_bursary_application_form_2019.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_off0000d0b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0B6 | 5268 bytes |
SHA-256: 767110138ce734c616a8779918d1562c6b65398c9eb4112d845baf2e545ae0df |
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font_01_sfnt_off0000e2a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2A4 | 10716 bytes |
SHA-256: 2aec8876425dcdd03e33cfe78697920c09b6d727bc5702cd1c9635f9c123415c |
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