MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
This PDF file contains embedded links that point to a known malicious redirector, ttraff.com. The document body, though heavily obfuscated, appears to be a lure for a lab report, likely to trick users into clicking the malicious link. The PDF also hosts a large number of external links, many pointing to Shopify domains, suggesting a link farm or SEO poisoning tactic. The primary malicious IOC is the redirector URL.
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=osmosis+across+a+concentration+gradient+lab+report
- http://files.jmccarthyphoto.com/uploads/1/3/0/7/130775245/6808483.pdf
- https://cdn.shopify.com/s/files/1/0428/5107/4214/files/senuluketisaxikax.pdf
- https://cdn.shopify.com/s/files/1/0432/0142/9662/files/32322912115.pdf
- https://cdn.shopify.com/s/files/1/0429/3738/5123/files/abound_abbott.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wogol.pdf
- https://cdn.shopify.com/s/files/1/0434/5783/9254/files/jonabe.pdf
- https://cdn.shopify.com/s/files/1/0437/2099/9064/files/9669664948.pdf
- https://cdn.shopify.com/s/files/1/0433/3817/0526/files/gun_mayhem_3.pdf
- https://cdn.shopify.com/s/files/1/0428/6568/8743/files/29212575472.pdf
- https://cdn.shopify.com/s/files/1/0431/9107/4976/files/xutafugijirifafifojer.pdf
- https://cdn.shopify.com/s/files/1/0430/3749/1357/files/46875178528.pdf
- https://cdn.shopify.com/s/files/1/0434/8621/6344/files/56622582978.pdf
- https://cdn.shopify.com/s/files/1/0439/0053/4952/files/wuwulibefa.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_off00006402.bin0b2b3f496aa5fe5be5d38dd132fa3276be3bcc8de790d50030fc5fff36e53c51 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6402 | 5348 bytes |
font_01_sfnt_off00007605.bin205913c5eff43a98e70fa97c2ecb7102648bfb2b681b038681aa6f59ded124c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7605 | 10288 bytes |
font_02_sfnt_off000098ff.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98FF | 4324 bytes |
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