MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=teri+call+song++video'. The document body, though partially corrupted, contains similar text and URLs, reinforcing the lure. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO manipulation tactic to distribute malicious content. The ML classifier also strongly flagged this PDF as malicious.
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=teri+call+song++video
- http://telif.onpointltd.com/uploads/1/3/1/6/131606347/9601344.pdf
- https://cdn.shopify.com/s/files/1/0437/3889/0394/files/echo_srm-_225_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/7041/3207/files/52799077666.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kenawuvotijogajutimev.pdf
- https://cdn.shopify.com/s/files/1/0437/8984/4631/files/xinugoki.pdf
- https://cdn.shopify.com/s/files/1/0430/0609/9605/files/vorasupuwazotonuzukas.pdf
- https://cdn.shopify.com/s/files/1/0435/0866/2440/files/business_school_book_in_english.pdf
- https://cdn.shopify.com/s/files/1/0429/0222/5059/files/tibefawonusobiwonanexenu.pdf
- https://cdn.shopify.com/s/files/1/0437/9472/7074/files/26615049689.pdf
- https://cdn.shopify.com/s/files/1/0431/7249/5519/files/spinal_cord_compression_management.pdf
- https://cdn.shopify.com/s/files/1/0434/0308/3928/files/58730100421.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00003fc7.bin940e4805ad7214861fc519c0e987f575faed43d549d9aa93dc3a5d96d68f7880 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3FC7 | 4824 bytes |
font_01_sfnt_off0000502b.bin792c4684a8eb6af2303335dfd9ed39a483b27830ff23c90ce34d1533d0ced5d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x502B | 12096 bytes |
font_02_sfnt_off000075f6.binff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75F6 | 4324 bytes |
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