MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is disguised as a link to educational worksheets. The PDF also contains a large number of external links, many pointing to shopify.com, likely as part of a link farm to improve SEO for malicious content. No scripts were extracted, but the presence of the malicious redirector and the link farm strongly indicate a phishing or redirection attempt.
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.ru/pify?keyword=rounding+off+decimals+worksheets+grade+5+pdf
- http://files.hawkmedia.net/uploads/1/3/0/7/130739719/zawimijajejujim_serilowi_memutupep.pdf
- http://matumada.lifetime-border.de/uploads/1/3/0/7/130738909/renosimunan.pdf
- http://files.huangquest.com/uploads/1/3/1/3/131379353/578972.pdf
- http://files.individualself.com/uploads/1/3/2/6/132681426/sevejekipafuzokirefe.pdf
- https://cdn.shopify.com/s/files/1/0428/6912/9372/files/96237845491.pdf
- https://cdn.shopify.com/s/files/1/0431/2681/6932/files/17478866281.pdf
- https://cdn.shopify.com/s/files/1/0430/4896/0151/files/88126673034.pdf
- https://cdn.shopify.com/s/files/1/0441/2994/3704/files/sosedatulevanenavibejidi.pdf
- https://cdn.shopify.com/s/files/1/0430/4217/7181/files/2_player_games_poki.pdf
- https://cdn.shopify.com/s/files/1/0431/6397/5835/files/zizovopiranadopiboraxos.pdf
- https://cdn.shopify.com/s/files/1/0436/6503/1321/files/kebapiwajuturulagazizomoz.pdf
- https://cdn.shopify.com/s/files/1/0439/3353/2315/files/blender_vertex_groups.pdf
- https://cdn.shopify.com/s/files/1/0428/8079/4790/files/49930219348.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005d83.bin561cc87b1471481a11c08b68efe65a47e13cb7beb4788a66b3939c1de985b758 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D83 | 5736 bytes |
font_01_sfnt_off000070f3.bin82e13347ef72a7c100c52e512ba7c013e11bfde6312af02e580e7a1257564f09 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70F3 | 10092 bytes |
font_02_sfnt_off00009371.bin1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9371 | 4324 bytes |
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