MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by multiple heuristics and a machine learning classifier, indicating a phishing attempt. It contains a link to a known malicious redirector, 'https://gettraff.ru/123?utm_term=international+4900+warn+engine+light', which likely leads to a phishing site. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create malicious PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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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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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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://gettraff.ru/123?utm_term=international+4900+warn+engine+light In PDF document text
- https://cdn-cms.f-static.net/uploads/4503035/normal_5fc2ced0e7c22.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413113/normal_5fc4955f0ebea.pdfIn PDF document text
- https://refiraledekire.weebly.com/uploads/1/3/4/7/134715744/miwatuve_ririlaweta.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4472484/normal_5fd0464ab5a93.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static1.squarespace.com/static/5fc5904aff13940aa25f39a7/t/5fc8cb58d6e0cc37e34548df/1606994776611/mabizegofojeguvewoxodun.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc069c17d0c8f249d3e4d8d/t/5fd035b91c49363a9b4334ab/1607480769715/70491230753.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf67934e98326c0208b81d/1606379411316/sports_illustrated_swimsuit_2018.pdfIn PDF document text
- https://s3.amazonaws.com/zidosozawok/wisopabiwo.pdfIn PDF document text
- https://s3.amazonaws.com/fowikorejodi/mathematical_logic_notes.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd1e13da6d74665ac6b7e9/1606229524224/nizopenikuwa.pdfIn PDF document text
- https://s3.amazonaws.com/tarizirefevifab/android_apps_free_apkpure.pdfIn PDF document text
- https://s3.amazonaws.com/tajimipojimo/kanexutezusojuxobe.pdfIn PDF document text
- https://s3.amazonaws.com/kisagoz/acc_aha_cholesterol_guidelines_2013.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_off0000d0fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0FD | 5184 bytes |
SHA-256: cd77db66e7abe0cb5058fbbad8f28718bae7b2d680a319a06b8f3667dbe5ad7d |
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font_01_sfnt_off0000e2b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2B2 | 10772 bytes |
SHA-256: a91aabdf42c4b0801a6e4847fa27a02d2b048d6798864fadcd986f1b22d721ab |
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