MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting seemingly benign documents, but one critical link directs to a known malicious redirector at 'ttraff.com'. This suggests a link farm or SEO poisoning tactic to lure victims. The ML classifier strongly supports the malicious nature of this PDF.
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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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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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.com/pify?keyword=iti+engineering+drawing+syllabus+pdf
- http://files.human-capital-development.co.uk/uploads/1/3/1/4/131406258/jakutekajavuwi.pdf
- http://files.donnacronk.com/uploads/1/3/1/0/131070113/4801564.pdf
- http://dawin.lntole.com/uploads/1/3/1/4/131453540/punis_xemimetekapebi.pdf
- https://cdn.shopify.com/s/files/1/0432/1024/4260/files/career_opportunities_in_biotechnology_and_drug_development_download.pdf
- https://cdn.shopify.com/s/files/1/0439/0515/5227/files/vocabulary_games_and_activities_for_teachers.pdf
- https://cdn.shopify.com/s/files/1/0431/8094/9659/files/seziwifalozevutu.pdf
- https://cdn.shopify.com/s/files/1/0430/6763/7917/files/sokomadigiwinerepododuvo.pdf
- https://cdn.shopify.com/s/files/1/0429/0510/8636/files/puwame.pdf
- https://cdn.shopify.com/s/files/1/0432/0549/2904/files/16684646294.pdf
- https://cdn.shopify.com/s/files/1/0431/5004/9446/files/61561321429.pdf
- https://cdn.shopify.com/s/files/1/0432/0801/6027/files/mamumubukasasirenagotufu.pdf
- https://cdn.shopify.com/s/files/1/0439/3756/2779/files/78079971494.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005902.bin57f37c593b98cde4bbd9e30d6b296bad208abb8745902aab5f567cacd4ea729b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5902 | 5480 bytes |
font_01_sfnt_off00006bc8.binbb0c2eeca2b97c697b548548e38fb15459d49efd0ff394bbbd71b8dc813f0345 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BC8 | 9816 bytes |
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