MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The document body, though heavily obfuscated, contains text fragments related to 'vault guide consulting firm rankings', suggesting a lure. The ML classifier and ClamAV detection further support the malicious nature of this PDF, likely intended for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9172
Heuristics 4
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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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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/aws?utm_term=vault+guide+consulting+firm+rankings In PDF document text
- https://cdn.sqhk.co/febowozefu/jjgc1ib/microsoft_365_admin_app_store.pdfIn PDF document text
- http://thecaffeinatedstudent.com/fender_blues_jr_schematic0ruye.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/nufidibodudulad/texas_commercial_motor_vehicle_drivers_handbook_answers.pdfIn PDF document text
- https://s3.amazonaws.com/galinikagopit/tasori.pdfIn PDF document text
- https://s3.amazonaws.com/vasofirida/vmware_32_bit_filehippo.pdfIn PDF document text
- https://s3.amazonaws.com/jozaponi/sedujubegekemeduvo.pdfIn PDF document text
- http://piwefijegiv.epizy.com/tv_guide_listings_appleton_wi.pdfIn PDF document text
- https://s3.amazonaws.com/fujadabez/happy_birthday_piano_music.pdfIn PDF document text
- https://s3.amazonaws.com/punagilelabon/antony_gormley_sculptures_formby.pdfIn PDF document text
- https://s3.amazonaws.com/welanisowari/chessbase_free_android.pdfIn PDF document text
- https://s3.amazonaws.com/paxuvagal/finofurugij.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001332d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1332D | 5372 bytes |
SHA-256: 70135529c6f86ea7dafc345abe2dfc1b8b357315626bfed2e27b173285d58654 |
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