MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics indicating malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains numerous URLs, with the primary suspicious URL being https://ttraff.ru/pify?keyword=casio+fx+991+ce+x+pdf, which is likely part of a phishing or malware distribution scheme. The presence of a large number of embedded links suggests an attempt to overwhelm or confuse the user, or to leverage SEO tactics for malicious purposes.
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.ru/pify?keyword=casio+fx+991+ce+x+pdf
- http://files.newbusinessaccounting.co.uk/uploads/1/3/1/0/131070872/bibosujadegovawevo.pdf
- http://files.monsterhub.org/uploads/1/3/1/6/131606533/2897904.pdf
- http://files.thepeoplesbookkeeper.ca/uploads/1/3/0/7/130740490/rasidaraveded.pdf
- https://cdn.shopify.com/s/files/1/0441/0766/1464/files/faiths_and_pantheons_3._5.pdf
- https://cdn.shopify.com/s/files/1/0434/3031/4133/files/9360463584.pdf
- https://cdn.shopify.com/s/files/1/0434/7202/7814/files/67857699564.pdf
- https://cdn.shopify.com/s/files/1/0430/0875/3827/files/87827381748.pdf
- https://cdn.shopify.com/s/files/1/0431/3976/0285/files/systemic_anatomy_book.pdf
- https://cdn.shopify.com/s/files/1/0429/2041/1303/files/pilamurosepuwakubedu.pdf
- https://cdn.shopify.com/s/files/1/0435/7272/3875/files/92013882150.pdf
- https://cdn.shopify.com/s/files/1/0435/9982/3016/files/75502873276.pdf
- https://cdn.shopify.com/s/files/1/0433/8640/5029/files/troy_bilt_bronco_bagger.pdf
- https://cdn.shopify.com/s/files/1/0431/3117/5063/files/fixajexurepidodalefu.pdf
- https://cdn.shopify.com/s/files/1/0428/9334/4924/files/academic_essay_example.pdf
- https://cdn.shopify.com/s/files/1/0436/4356/8278/files/93765951251.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_off00004fd4.bin20141fe9cbcd006dfb68477211c49366ece9c3ed6fb2f6092dbfbd930459feef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FD4 | 5204 bytes |
font_01_sfnt_off000061a6.binbbbd1bbcea37e17b6e691b504c9afda5cc746bbd122091b9b3ae5c485364c98d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61A6 | 11484 bytes |
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