MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one pointing to a known malicious redirector (ttraff.com). The document body, though heavily obfuscated, also contains this URL, suggesting a lure to a malicious site. The presence of multiple PDF links, many hosted on Shopify, indicates a link farm strategy to improve search engine visibility for malicious content. The ML classifier strongly flagged this PDF as malicious.
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=grandes+economistas+carlos+rodr%25C3%25ADguez+braun+pdf
- http://files.vistangss.com/uploads/1/3/0/7/130738928/4448535.pdf
- http://likobiluw.bergmanlandscaping.net/uploads/1/3/0/7/130739723/1089360.pdf
- https://cdn.shopify.com/s/files/1/0432/5864/2600/files/skf_bearing_designation.pdf
- https://cdn.shopify.com/s/files/1/0433/6202/5624/files/examen_de_l_appareil_digestif.pdf
- https://cdn.shopify.com/s/files/1/0447/1685/1356/files/genymotion_to_android_studio.pdf
- https://cdn.shopify.com/s/files/1/0430/8012/2532/files/makkar_ielts_writing_task_1_book.pdf
- https://cdn.shopify.com/s/files/1/0427/7341/4055/files/bokunapabonujo.pdf
- https://cdn.shopify.com/s/files/1/0430/1357/0709/files/kevodigipivegelisetal.pdf
- https://cdn.shopify.com/s/files/1/0434/6413/0725/files/dinnerbone_name_tag.pdf
- https://cdn.shopify.com/s/files/1/0437/2103/1832/files/fajut.pdf
- https://cdn.shopify.com/s/files/1/0430/1560/2339/files/ww_monk_pvp_guide_bfa.pdf
- https://cdn.shopify.com/s/files/1/0440/4497/6278/files/66526741453.pdf
- https://cdn.shopify.com/s/files/1/0429/9656/4131/files/19100400882.pdf
- https://cdn.shopify.com/s/files/1/0433/1126/7990/files/liredoxikib.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_off000067af.binf433032db9ff39720c0e044ad6513db62a99501bffd3f7518ef3bee7cf28c902 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67AF | 5748 bytes |
font_01_sfnt_off00007b35.binfd740fcd0d93c1388c2a95e5ebbb754d4d06c94636eed5566ddfb488b501b26f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B35 | 11148 bytes |
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