MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wix?keyword=python+t%25C3%25BCrk%25C3%25A7e+d%25C3%25B6k%25C3%25BCman'. This indicates the document's primary purpose is to lure the user to this malicious site. The presence of a large number of external PDF links, many pointing to static.usrfiles.com, suggests a link farm or SEO poisoning tactic to obscure the malicious redirect. The ML classifier also 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.cc/wix?keyword=python+t%25C3%25BCrk%25C3%25A7e+d%25C3%25B6k%25C3%25BCman
- https://static.usrfiles.com/ugd/0fdb6d_a3e4010315c9495087585d46576ed5cc.pdf
- https://static.usrfiles.com/ugd/3f80ec_dffa6871d1dd48f9839a06eb271f0d8d.pdf
- https://static.usrfiles.com/ugd/b8c837_d67547e265e641ce818250a70770c834.pdf
- https://static.usrfiles.com/ugd/166c09_b44c5b24bef44f199c9a9ebc8f5544a3.pdf
- https://static.usrfiles.com/ugd/b8c837_fd95d354f52045b6937cb42309b17429.pdf
- https://static.usrfiles.com/ugd/739437_03d82c8ad8074bc2856f89b692558d2c.pdf
- https://static.usrfiles.com/ugd/dfb5f8_9ae07bc77fe74b0ba4c90204c1c1966a.pdf
- https://cdn.shopify.com/s/files/1/0433/9823/4270/files/dabasuvudulidoz.pdf
- https://cdn.shopify.com/s/files/1/0431/1423/4013/files/nstm_555_revision_13.pdf
- https://cdn.shopify.com/s/files/1/0432/2089/3864/files/autodiagnostico_personal.pdf
- https://cdn.shopify.com/s/files/1/0429/9853/0202/files/debate_format.pdf
- https://cdn.shopify.com/s/files/1/0431/8894/5064/files/ncoer_support_form_examples.pdf
- https://cdn.shopify.com/s/files/1/0429/1146/5638/files/centralization_and_decentralization.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_off00006b78.bin1c045c5151d40ee4b51601469e83880206861937fc45cec5f61104018b2bf4a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B78 | 5200 bytes |
font_01_sfnt_off00007ca6.bin73cd8079283475aeb13f599b3fde148691e14f2eeec6dce282f7234d6c9ff45c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CA6 | 11996 bytes |
font_02_sfnt_off0000a1ff.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA1FF | 4324 bytes |
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