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.com, which is designed to lead users to further malicious content. The document body, though heavily obfuscated, contains references to sheet music and the redirector URL, suggesting a lure to entice clicks. The presence of numerous other PDF links, many pointing to potentially compromised Shopify domains, indicates a link farm strategy to obscure the ultimate destination.
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=shostakovich+the+gadfly+romance+sheet+music
- http://files.americafcunited.com/uploads/1/3/2/6/132695575/libawipisubewefap.pdf
- http://jaxofu.iampaper.com/uploads/1/3/0/9/130969754/kafit.pdf
- http://porawox.sfsafehouse.org/uploads/1/3/0/7/130775493/badezevuvemej_bekofu_lesab_defefewu.pdf
- http://files.sovereign-gundogs.com/uploads/1/3/0/7/130740561/kitiwulopokiwu.pdf
- http://fizisesa.jacwicksdesigns.co.uk/uploads/1/3/1/4/131407995/fekevunoxadu_ripipiwat_weziw_levafetep.pdf
- https://cdn.shopify.com/s/files/1/0436/7345/2697/files/77212384176.pdf
- https://cdn.shopify.com/s/files/1/0433/3246/8904/files/40253011105.pdf
- https://cdn.shopify.com/s/files/1/0430/5682/4471/files/john_deere_employees_self_service.pdf
- https://cdn.shopify.com/s/files/1/0433/5416/1310/files/lonexofonud.pdf
- https://cdn.shopify.com/s/files/1/0436/6788/2134/files/rusirasojutavinigakuda.pdf
- https://cdn.shopify.com/s/files/1/0433/4590/3774/files/76172261780.pdf
- https://cdn.shopify.com/s/files/1/0436/4143/8366/files/wovufovitub.pdf
- https://cdn.shopify.com/s/files/1/0434/6842/3334/files/cracking_chinese_characters.pdf
- https://cdn.shopify.com/s/files/1/0434/4974/5558/files/vomizax.pdf
- https://cdn.shopify.com/s/files/1/0428/4848/5535/files/remukulodojavivof.pdf
- https://cdn.shopify.com/s/files/1/0434/4525/6352/files/aprendiz_del_brujo_pnl.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_off00004d2a.bin75845608cf52119928bf2d22383e78342af41018bb87cc12a3b3492cac8c37f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D2A | 5764 bytes |
font_01_sfnt_off000060a4.bin7cc608574c2bf7d4ab9af245e5ba2b2a0fe16da5798c73960cd48a2d046fdddf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60A4 | 9912 bytes |
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