MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded URLs, with one specifically identified as a malicious redirector. The presence of a large number of external links, many pointing to PDFs hosted on Shopify, suggests a link farm or SEO abuse tactic. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent, likely for traffic redirection or to host further malicious content.
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=shawn+mendes+camila+cabello+senorita+performance
- http://kemowapo.besmirched.com/uploads/1/3/1/3/131380177/disirevuluk.pdf
- http://files.stonefoundationproperties.com/uploads/1/3/1/4/131454355/vijuparusawuwobiva.pdf
- http://files.grundmeyerleadersearch.com/uploads/1/3/1/6/131636990/sifixoj_jutixepipi_bevasagipaxuja_sivosukisozi.pdf
- https://cdn.shopify.com/s/files/1/0430/9975/0560/files/92241145083.pdf
- https://cdn.shopify.com/s/files/1/0429/3178/1791/files/83899021856.pdf
- https://cdn.shopify.com/s/files/1/0427/9762/9596/files/79235469893.pdf
- https://cdn.shopify.com/s/files/1/0430/9336/0791/files/71065513608.pdf
- https://cdn.shopify.com/s/files/1/0432/9170/5512/files/atrial_fibrillation_anticoagulation_guidelines_2014.pdf
- https://cdn.shopify.com/s/files/1/0434/0082/2934/files/87264602051.pdf
- https://cdn.shopify.com/s/files/1/0435/4156/1503/files/32208553286.pdf
- https://cdn.shopify.com/s/files/1/0431/2665/3090/files/womaligewuramule.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_off0000608f.bin3596893a36b6115a7fcf29315fca23a2e7a823d5410202b1564d4d5dcd0c0d73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x608F | 5732 bytes |
font_01_sfnt_off000073e1.binef83b8ff7e30f9aa2cb688f42854814db86982d63aa24cbe866838e186684a41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73E1 | 10104 bytes |
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