MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a high-confidence ML classification and ClamAV detection indicating maliciousness. A heuristic identifies an image lure linking to an SEO redirector, specifically 'https://trafffi.ru/strik?utm_term=slither+io+games+for+school', which is designed to trick users into visiting a phishing site. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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://trafffi.ru/strik?utm_term=slither+io+games+for+school PDF link annotation
- https://cdn.sqhk.co/lawafopugu/ijhaFqr/inspirational_stories_of_changed_lives.pdfIn PDF document text
- https://cdn.sqhk.co/joraxeneli/dgeedib/doom_2_online.pdfIn PDF document text
- https://cdn.sqhk.co/vefutifeves/Fgd5ifd/ghost_rider_3_movie_trailer.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4406809/normal_5fe429f92b2c9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368477/normal_5f8c1bacdc15b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/dojonuta/busisox.pdfIn PDF document text
- https://s3.amazonaws.com/legobegutulo/simple_html_bootstrap_admin_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b8217a79-31e6-45bf-b330-441a4c63bc63/white_alaskan_husky_price.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/db2890fd-d349-4bda-bbbf-b79b071bd1d3/college_algebra_exam_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9314960d-9ea6-436f-9346-5890d90a6ee0/rosario_de_la_liberacion.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/efa5308b-db78-459a-a3f2-95f133c85ae4/general_lee_dixie_horn.pdfIn PDF document text
- https://s3.amazonaws.com/degerutisig/old_gospel_songs_with_lyrics_and_chords.pdfIn PDF document text
- https://s3.amazonaws.com/tejuvonixag/10792811267.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000edf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDF8 | 5080 bytes |
SHA-256: 33bc1a0b68d4d3f70a88600c525e53ca4f657ba33aea91c81b9b3572d4d42dce |
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font_01_sfnt_off0000ff38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF38 | 10864 bytes |
SHA-256: 0a38cf0c4ea7610faab43a8691b7523d9a899823df31b67be5a373c360ff09d5 |
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font_02_sfnt_off00012428.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12428 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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