MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.cc, which is disguised as a 'biphasic sleep guide'. The document also includes a large number of links to Shopify-hosted PDFs, likely as part of a link farm to improve search engine ranking for malicious content. The ML classifier strongly indicated maliciousness. The primary attack vector appears to be social engineering via a deceptive 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.cc/pify?keyword=biphasic+sleep+guide
- http://daxujuwu.luanneruona.com/uploads/1/3/1/3/131383483/3186067.pdf
- https://cdn.shopify.com/s/files/1/0431/6430/3522/files/chakra_awakening_book.pdf
- https://cdn.shopify.com/s/files/1/0434/8647/8489/files/how_to_write_pseudocode.pdf
- https://cdn.shopify.com/s/files/1/0432/6490/1270/files/61585919832.pdf
- https://cdn.shopify.com/s/files/1/0435/5080/2081/files/85438564687.pdf
- https://cdn.shopify.com/s/files/1/0431/5670/1348/files/bevapanisulimeni.pdf
- https://cdn.shopify.com/s/files/1/0431/4556/0219/files/76036051649.pdf
- https://cdn.shopify.com/s/files/1/0432/7528/8742/files/todotawavir.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/buxidumex.pdf
- https://cdn.shopify.com/s/files/1/0454/7844/5206/files/honeywell_photoelectric_smoke_detector.pdf
- https://cdn.shopify.com/s/files/1/0430/3847/4397/files/adam_driver_the_report_trailer.pdf
- https://cdn.shopify.com/s/files/1/0452/0207/9893/files/manual_crystal_reports_sap_business_one.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_off00008aaa.bin93f5708e4e8bcdc5832e76aacf38e25f042f0f8be28b9a8520cb49f08364b14c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AAA | 5288 bytes |
font_01_sfnt_off00009c97.bin6a077788076471a0acaef2bf88d350a7fea59046dc5f54fd8ae1f2128a5667b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C97 | 10260 bytes |
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