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.com, which is disguised with a keyword related to educational content. The document body, though heavily obfuscated, also contains this URL and numerous other links hosted on Shopify, likely part of a link farm to improve search engine ranking for malicious content. The ML classifier strongly indicated maliciousness.
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.com/pify?keyword=business+studies+grade+10+essays+pdf+2020
- http://files.lrbarms.com/uploads/1/3/2/6/132695575/9059515.pdf
- http://files.coldwatercreekranch.com/uploads/1/3/1/3/131382590/be1060f14873b.pdf
- http://files.bobdgorman.net/uploads/1/3/1/4/131452838/1b38a2a7d18d.pdf
- https://cdn.shopify.com/s/files/1/0431/1918/1978/files/dopoputiripimexifipizov.pdf
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/bidoxug.pdf
- https://cdn.shopify.com/s/files/1/0431/7069/3282/files/jikaluxositolofenipuwod.pdf
- https://cdn.shopify.com/s/files/1/0437/1631/3242/files/sopefasazakakafilat.pdf
- https://cdn.shopify.com/s/files/1/0436/2246/5699/files/nosuzijozudazelojol.pdf
- https://cdn.shopify.com/s/files/1/0432/1473/3480/files/vizumovugokolifota.pdf
- https://cdn.shopify.com/s/files/1/0432/0185/5646/files/49812980710.pdf
- https://cdn.shopify.com/s/files/1/0431/1197/3026/files/libaxefametorovotemexo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nowivozepax.pdf
- https://cdn.shopify.com/s/files/1/0430/6341/0845/files/ridinumeluwutitu.pdf
- https://cdn.shopify.com/s/files/1/0432/3662/2498/files/23974042744.pdf
- https://cdn.shopify.com/s/files/1/0432/0791/7729/files/45933831047.pdf
- https://cdn.shopify.com/s/files/1/0435/8553/6161/files/93993439662.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_off00004ef6.bindda71cb40410ca50b03a56042b1571491acf9505ecc550d33b5dccc27ea2ad0f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4EF6 | 5652 bytes |
font_01_sfnt_off00006259.bind58fcff8b8224313d050f033306271ee653d85db471d0b9abf38186e0fd6f433 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6259 | 10184 bytes |
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