MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a redirector service. The document body text and embedded URLs suggest a lure for downloading a book, which is a common tactic for distributing malware. The primary malicious URL identified is https://ttraff.cc/pify?keyword=automobile+engineering+book+pdf+for+diploma, which likely leads to a malicious payload. The ML classifier 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=automobile+engineering+book+pdf+for+diploma
- http://files.sawhfh.org/uploads/1/3/1/8/131871816/4a9721cfd5fe1.pdf
- http://nidegade.rutherforders7.com/uploads/1/3/0/7/130739625/bce05f20ee8.pdf
- http://files.chehandbells.org/uploads/1/3/0/8/130874429/salimemupepukevoxof.pdf
- https://cdn.shopify.com/s/files/1/0435/0948/1624/files/pekegaxelusukapes.pdf
- https://cdn.shopify.com/s/files/1/0437/6556/3541/files/26910215058.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gegexovikorojirokelaxedu.pdf
- https://cdn.shopify.com/s/files/1/0428/7997/5591/files/britax_boulevard_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/8520/9512/files/7988472452.pdf
- https://cdn.shopify.com/s/files/1/0433/7228/2008/files/56705837956.pdf
- https://cdn.shopify.com/s/files/1/0431/7321/6411/files/nuxedofamogakazala.pdf
- https://cdn.shopify.com/s/files/1/0431/8648/7455/files/84877572528.pdf
- https://cdn.shopify.com/s/files/1/0437/5547/1002/files/bejipetojovotuxupuzexisi.pdf
- https://cdn.shopify.com/s/files/1/0431/9140/2660/files/86660120975.pdf
- https://cdn.shopify.com/s/files/1/0429/1110/5183/files/magakodiwovufedijurut.pdf
- https://cdn.shopify.com/s/files/1/0432/4694/4416/files/gufuketijitonotedu.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_off00006231.bin511b656714da191cb5c5ac6081b03b6eb17fbe186f36f4d7480af9c872ffe66a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6231 | 5376 bytes |
font_01_sfnt_off00007461.bin44cb07b40d5fd40e44bb9a4b5f61997c4f78de7292242450d3a22814b7def729 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7461 | 11200 bytes |
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