MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that point to a redirector infrastructure, specifically `https://ttraff.com/pify?keyword=low+back+pain+sciatica+exercises+pdf`. This redirector likely leads to a malicious payload or phishing page. The document also exhibits characteristics of a link farm, with numerous links to other PDFs, many hosted on Shopify. The ML classifier strongly indicated maliciousness, supporting the conclusion that this PDF is part of a phishing or malware distribution scheme.
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=low+back+pain+sciatica+exercises+pdf
- http://files.carperfamilyband.com/uploads/1/3/1/0/131070072/0412b202a0.pdf
- http://files.jason-fritz.com/uploads/1/3/0/7/130739059/silenuger.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/8759/2608/files/sources_of_bias_in_research.pdf
- https://cdn.shopify.com/s/files/1/0435/9559/5938/files/fadisaron.pdf
- https://cdn.shopify.com/s/files/1/0433/0458/3318/files/git_setup_proxy.pdf
- https://cdn.shopify.com/s/files/1/0430/3467/3305/files/billie_s_bounce_guitar.pdf
- https://cdn.shopify.com/s/files/1/0428/8099/1388/files/stratigraphic_paleontology.pdf
- https://cdn.shopify.com/s/files/1/0429/4947/6518/files/6389993887.pdf
- https://cdn.shopify.com/s/files/1/0429/0933/5715/files/89446906918.pdf
- https://cdn.shopify.com/s/files/1/0430/3070/8385/files/dejixane.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000062bd.bin39aff7d2011b10508638d8c42638cb0d2f621ed1c15b1cd906ed9ff2d100aaed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62BD | 5420 bytes |
font_01_sfnt_off0000754e.binde0c3cd8fc978f67ae7812561f28a0403b9638da3772940d0570ae341582250e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x754E | 10120 bytes |
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