MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. It also exhibits characteristics of a PDF link farm, with numerous external links, many hosted on cdn.shopify.com. One of the primary links, https://ttraff.com/pify?keyword=soul+brothers+music++free, is identified as a malicious redirector. The document body contains garbled text but includes the same URLs found in the heuristics, suggesting a deliberate attempt to distribute malicious links.
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=soul+brothers+music++free
- http://dutoseke.bearforanangel.com/uploads/1/3/1/4/131437949/kasuziz-gibovujin-xekefosu.pdf
- http://fasav.debopersians.com/uploads/1/3/1/4/131454178/najoz-gozinar-sukaguwor-xezakatulen.pdf
- http://files.manzanitasplayschool.org/uploads/1/3/1/6/131637876/c3f6eb3c.pdf
- http://files.soarisemusic.com/uploads/1/3/0/7/130775055/wifidozel.pdf
- https://cdn.shopify.com/s/files/1/0429/2296/7207/files/microsoft_office_on_ubuntu.pdf
- https://cdn.shopify.com/s/files/1/0432/8531/5737/files/26215538594.pdf
- https://cdn.shopify.com/s/files/1/0429/1048/2588/files/88892100742.pdf
- https://cdn.shopify.com/s/files/1/0436/1738/6659/files/dapijubu.pdf
- https://cdn.shopify.com/s/files/1/0431/9775/9643/files/99851884458.pdf
- https://cdn.shopify.com/s/files/1/0437/7713/0658/files/everyday_use_answers.pdf
- https://cdn.shopify.com/s/files/1/0440/2659/3445/files/24628391742.pdf
- https://cdn.shopify.com/s/files/1/0429/5717/6986/files/4456520474.pdf
- https://cdn.shopify.com/s/files/1/0428/2214/0063/files/32949673850.pdf
- https://cdn.shopify.com/s/files/1/0428/9232/9119/files/7076971356.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_off00004e1e.binf6eb91fb024ff70a77025eaff03d832fb84a63127ebbc5010ff878e70f6a2731 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E1E | 5156 bytes |
font_01_sfnt_off00005f82.bind4479a02182b5d01ea71b9c7973a0d53ad28537e5a99a87c4275560248262ff5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F82 | 10748 bytes |
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