MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a search result for an academic PDF. The document body, though heavily obfuscated, contains the same URL and keywords, suggesting a phishing or scam attempt. The ML classifier also strongly indicated maliciousness.
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=differential+equations+4th+edition+blanchard+pdf
- http://files.wisconsinmomtribe.com/uploads/1/3/1/4/131437834/8344e400f7.pdf
- http://files.ebizownersolutions.com/uploads/1/3/1/1/131163867/birozovedaket.pdf
- http://files.mountainstudiohamilton.ca/uploads/1/3/1/6/131606314/5376360.pdf
- http://files.prathleticboosterclub.com/uploads/1/3/1/4/131454620/f56346395c9.pdf
- https://cdn.shopify.com/s/files/1/0432/4209/4756/files/71703895727.pdf
- https://cdn.shopify.com/s/files/1/0432/9432/6949/files/bisudomatusefilotaxad.pdf
- https://cdn.shopify.com/s/files/1/0431/1020/3556/files/78768724043.pdf
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/14074224192.pdf
- https://cdn.shopify.com/s/files/1/0432/9019/8180/files/81380211348.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kirojaj.pdf
- https://cdn.shopify.com/s/files/1/0428/5969/2191/files/70212485610.pdf
- https://cdn.shopify.com/s/files/1/0428/8066/3705/files/63371352542.pdf
- https://cdn.shopify.com/s/files/1/0428/3655/7987/files/vuzufewufideg.pdf
- https://cdn.shopify.com/s/files/1/0430/3824/5017/files/fubokedim.pdf
- https://cdn.shopify.com/s/files/1/0431/1046/5698/files/74493090440.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zututekafufefosapebuk.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_off00018592.bin904c6ff7daa8cc8dbc72468183fdaaad6bac60730562377258ea7c30f2dbe753 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18592 | 5596 bytes |
font_01_sfnt_off0001988e.binfdbdf6be907e596b4bd448a6e32aaa300691f08d35a3117986f1b9385dc39b2c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1988E | 18320 bytes |
font_02_sfnt_off0001d188.bin051ae9903f291b9b31f06efc6c0b9ea495e41f8cb738963fde37fc7015f2d9d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D188 | 16360 bytes |
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