MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link that redirects to a known malicious URL, disguised as a template download. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms this behavior. Additionally, the PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many hosted on Shopify, likely part of a link farm to improve search engine ranking for malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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=wordpress+discussion+forum+template
- http://lenenapu.vinnysblogbookcom.com/uploads/1/3/1/1/131164250/nojedura.pdf
- https://cdn.shopify.com/s/files/1/0433/9462/9788/files/difeno.pdf
- https://cdn.shopify.com/s/files/1/0432/1571/6519/files/xixedefalakidadewanage.pdf
- https://cdn.shopify.com/s/files/1/0435/7783/5681/files/57180575876.pdf
- https://cdn.shopify.com/s/files/1/0433/5144/1560/files/91085781134.pdf
- https://cdn.shopify.com/s/files/1/0431/3976/0295/files/bsa_committee_meeting_template.pdf
- https://cdn.shopify.com/s/files/1/0432/9547/3822/files/xutilafalavatu.pdf
- https://cdn.shopify.com/s/files/1/0437/4996/5978/files/alice_munro_corrie.pdf
- https://cdn.shopify.com/s/files/1/0434/2287/5797/files/33876578004.pdf
- https://cdn.shopify.com/s/files/1/0430/1042/4985/files/wuzadowob.pdf
- https://cdn.shopify.com/s/files/1/0437/5933/7621/files/alexa_app_android_version_free.pdf
- https://cdn.shopify.com/s/files/1/0430/0413/3525/files/77968172836.pdf
- https://cdn.shopify.com/s/files/1/0437/1313/4757/files/25496366309.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_off00008714.bin9db626e7b52b308ca7143504fc7381f43bc0b4781282b718fd4d483bf07f92d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8714 | 5312 bytes |
font_01_sfnt_off00009919.binacfcf8574a1b6a9fe179abf6328da96d9774198c7b39c0d964a55f8a0fb14ed6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9919 | 9508 bytes |
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