MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. It also exhibits a PDF link farm, with 26 external PDF links, predominantly hosted on static.usrfiles.com. The embedded URL and the DOC BODY text both point to a lure related to a 'rapport de stage' (internship report), suggesting a social engineering pretext to drive users to malicious sites.
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/wix?keyword=exemple+diapo+rapport+de+stage
- https://static.usrfiles.com/ugd/f4de5e_9eefdee268bc44b6bdbe171d9e566dd5.pdf
- https://static.usrfiles.com/ugd/ade4e6_3df7c597ac434bdb89d06b6df2d79adb.pdf
- https://static.usrfiles.com/ugd/d5cf39_1de97a6e8a9745a29f16a5c378c68fc5.pdf
- https://static.usrfiles.com/ugd/b8c837_83ed7fecf43645cf9dda821df40c48f0.pdf
- https://static.usrfiles.com/ugd/b8c837_a656143f4a0e461e9222c9593b639648.pdf
- https://static.usrfiles.com/ugd/45fd81_4c1a1a1e7b1a475ba5a2c377fb697088.pdf
- https://static.usrfiles.com/ugd/b8c837_374079b2775b4614b91333ce9e794495.pdf
- https://static.usrfiles.com/ugd/b8c837_f94ba408e5774401aeaaa9c15923d862.pdf
- https://static.usrfiles.com/ugd/b8c837_6fe4806c12d940f59fa3b05f91102399.pdf
- https://static.usrfiles.com/ugd/9ff9b8_3a57dfc141a54bb2b77b4e737a01fd78.pdf
- https://static.usrfiles.com/ugd/b8c837_66e615173dc842f485a4b6990aa8b426.pdf
- https://static.usrfiles.com/ugd/b5aed9_024beccdc2504fcba54c38ec4bc5bc80.pdf
- https://static.usrfiles.com/ugd/ce0e6d_adcfaa4c7e1f464ab45cf8c873603353.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/
- https://static.usrfiles.com/ugd/b5aed
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006549.bin42c4d77104b29473c6e3ff59bdfa0e8dad39e98520d2e3c45133d77699de3232 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6549 | 5304 bytes |
font_01_sfnt_off0000773d.binfb0929c6496f909efbe7c1bb50e9311613659ff78ec6561c05972680645d3fd1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x773D | 11488 bytes |
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