MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to Shopify-hosted PDF files, suggesting a link farm for SEO manipulation. One of these links, https://ttraff.cc/wix?keyword=questions+from+a+worker+who+reads, is identified as a known malicious redirector. The ML classifier also strongly flagged this PDF as malicious. The document body itself is heavily obfuscated and contains the same URLs.
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=questions+from+a+worker+who+reads
- https://cdn.shopify.com/s/files/1/0430/0167/5939/files/48862298151.pdf
- https://cdn.shopify.com/s/files/1/0445/4960/3487/files/creating_android_apps_on_mac.pdf
- https://cdn.shopify.com/s/files/1/0435/7632/8355/files/kavisuroturogader.pdf
- https://cdn.shopify.com/s/files/1/0434/6170/5888/files/personal_computer_book.pdf
- https://cdn.shopify.com/s/files/1/0434/8693/7253/files/ruxetinerozegu.pdf
- https://cdn.shopify.com/s/files/1/0430/6262/4417/files/vcf_file_to_converter_online.pdf
- https://cdn.shopify.com/s/files/1/0431/0152/0029/files/kokogefapejidaxufom.pdf
- https://cdn.shopify.com/s/files/1/0432/8855/9782/files/about_me_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0436/1935/2739/files/degapuloxujilanunole.pdf
- https://cdn.shopify.com/s/files/1/0433/7985/1414/files/what_makes_love_last_gottman.pdf
- https://cdn.shopify.com/s/files/1/0432/3042/9352/files/84554580735.pdf
- https://static.usrfiles.com/ugd/f1d680_15f002cf15c44e2e9cdb173f1fdce99b.pdf
- https://static.usrfiles.com/ugd/18f527_55b641d1e9fb4bdb8dd49ed265f70f39.pdf
- https://static.usrfiles.com/ugd/b8c837_b04b151de58545ecbe6dbab3f5d30991.pdf
- https://static.usrfiles.com/ugd/b8c837_0dbb8c5f67c64c6e89d56df9f1fa27d9.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_off00005f83.binf508076fb9898e641ebecdaf848fee5af4f8e2439662a2a83ab9b32eb7dc5a92 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F83 | 5332 bytes |
font_01_sfnt_off00007184.binfc33bf71bf9ec1eaac5587aa9d128ebd96c4750110b63e884d083ac8cc3242f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7184 | 10072 bytes |
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