MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on Shopify. The document body, though heavily obfuscated, contains the same URL as the link farm, suggesting a coordinated effort to drive traffic to malicious infrastructure. The primary intent appears to be redirecting users to a malicious site under the guise of providing a PDF document.
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/wix?keyword=functions+of+sales+management+pdf
- https://cdn.shopify.com/s/files/1/0431/3006/0955/files/sukupukinelifafudugawuxuj.pdf
- https://cdn.shopify.com/s/files/1/0433/8555/3059/files/online_business_in_nigeria.pdf
- https://cdn.shopify.com/s/files/1/0438/2733/1232/files/whatsapp_business_latest_update_apk.pdf
- https://cdn.shopify.com/s/files/1/0434/8195/6518/files/75004439249.pdf
- https://static.usrfiles.com/ugd/f103bb_1b80808ef0584e88ae55a23848b3379c.pdf
- https://static.usrfiles.com/ugd/b8c837_c9b8e2d6641343489e16d1e6645c7033.pdf
- https://static.usrfiles.com/ugd/b8c837_bdacf10884604719b5fe5f97e6c3203c.pdf
- https://static.usrfiles.com/ugd/b11f6d_1040ae89946a4aa58007a16c7a5932b0.pdf
- https://cdn.shopify.com/s/files/1/0437/7369/0017/files/somejobuxerikip.pdf
- https://cdn.shopify.com/s/files/1/0431/5794/6522/files/avast_free_windows_10_pro.pdf
- https://cdn.shopify.com/s/files/1/0431/4667/4337/files/android_cardview_not_working.pdf
- https://cdn.shopify.com/s/files/1/0428/2908/6887/files/i_wanna_be_boshy_game.pdf
- https://static.usrfiles.com/ugd/b8c837_6a60fd1361b84521a6891fcd4932acbd.pdf
- https://static.usrfiles.com/ugd/73c254_8aa2117221694b4d8c88ee36853c57b7.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_off00006e4e.bin192a26c70c2ce3685cfbfa22ed8acd5ad200fb8bcc00567375d95d7b17c4ee42 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E4E | 5332 bytes |
font_01_sfnt_off0000806b.bin5bb27f86f715605bde2729b0d845c6b212bbad18ac0f82a49a0693f402fa1d19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x806B | 10020 bytes |
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