MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text suggesting a lure related to a 'sample cover letter'. The PDF also hosts a large number of external links, many pointing to Shopify, which is flagged by the PDF_SEO_LINK_FARM heuristic. The primary malicious IOC is the redirector URL.
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=sample+cover+letter+for+resume+warehouse
- https://cdn.shopify.com/s/files/1/0436/8341/4169/files/ronufu.pdf
- https://cdn.shopify.com/s/files/1/0431/0056/9753/files/performance_tool_obd2_scanner_manual.pdf
- https://cdn.shopify.com/s/files/1/0429/0750/0711/files/96900174709.pdf
- https://cdn.shopify.com/s/files/1/0427/4618/3847/files/gimujavil.pdf
- https://cdn.shopify.com/s/files/1/0432/0926/1217/files/fawepejasetedowaf.pdf
- https://static.usrfiles.com/ugd/79e5df_e1676b940efb4c468fb4983610bd2e84.pdf
- https://static.usrfiles.com/ugd/735189_f17500016ce24735b260e7f7cb1fea56.pdf
- https://static.usrfiles.com/ugd/b8c837_85f86a5ea4cd4015b086c822e297a838.pdf
- https://static.usrfiles.com/ugd/1c8c6c_0e1093b9c5e04340bac2bbfad2727a86.pdf
- https://static.usrfiles.com/ugd/b8c837_a99853fd863d43dbb0d664d8015ed262.pdf
- https://cdn.shopify.com/s/files/1/0463/6318/1217/files/volume_of_rectangular_prism_worksheet_grade_5.pdf
- https://cdn.shopify.com/s/files/1/0429/3571/3958/files/8639938895.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_off0000655d.bina0760c8181b1ac69877ec45d44f63a6a9282e84f385ee4fbd4d5438604605ecb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x655D | 5508 bytes |
font_01_sfnt_off00007809.bin50edf075c1d37c6b19c5e03a322d1c219bb8b49d1a99360b3bb5e81311d7966d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7809 | 10672 bytes |
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