MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing indicating a malicious redirector link to 'ttraff.ru'. The document body, though heavily obfuscated, also contains this URL. This suggests the primary intent is to lure the user to a malicious site. No scripts were extracted, limiting further analysis of the attack chain.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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://ttraff.ru/pify?keyword=jaros%25C5%2582aw+iwaszkiewicz+brzezina+pdf In PDF document text
- http://files.martinisbistro.com/uploads/1/3/1/8/131856186/repoxoduzom.pdfIn PDF document text
- http://files.bluefencing.com/uploads/1/3/1/4/131407469/ea3bacfd13a.pdfIn PDF document text
- http://files.ellewyant.com/uploads/1/3/1/6/131637014/jopelozodumu-dirivodiboxu-jovat.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/16494210232.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9815/2866/files/gasajurijuvurawiwusabos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2236/7390/files/16240156575.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8456/3110/files/aws_devops_certification.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0141/3795/files/ethiopian_grade_4_english_textbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3092/9827/files/fiketefosidugukiguxadip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4324/9563/files/buddhist_moral_philosophy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13977390730.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2168/1315/files/98126202125.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4168/5665/files/9010984649.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_off000225a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x225A9 | 5508 bytes |
SHA-256: edce9f8eaa590add21082e9179d783bf50f8e30ab4475339e7d7ddf666d0597e |
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font_01_sfnt_off00023894.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x23894 | 11704 bytes |
SHA-256: f9a19ab852b228025210409e7b24b06766c652d41b79538625660a981c28111a |
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