MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF contains a link to a redirector URL, identified as malicious. The document body, though heavily obfuscated, contains text related to 'pps diaporamas magnifiques gratuit' and the malicious URL, suggesting a lure for free content. The PDF also hosts a large number of external links, many pointing to static.usrfiles.com, which is flagged as a link farm. The ML classifier strongly indicates 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/wix?keyword=pps+diaporamas+magnifiques+gratuit
- https://static.usrfiles.com/ugd/d54300_4983431d410a4d7e8fc5368357a2c9c6.pdf
- https://static.usrfiles.com/ugd/b8c837_0d92b88587ee450aaaa20a7ded358862.pdf
- https://static.usrfiles.com/ugd/b8c837_0536c9bc57ad472bbb5a5fa32ff314f3.pdf
- https://static.usrfiles.com/ugd/b8c837_03469f8f1a1c4133900d943862dac300.pdf
- https://static.usrfiles.com/ugd/ce5d00_034b2947961b49c2ae67f3472db78e4d.pdf
- https://static.usrfiles.com/ugd/2c8d66_c97363191fab498bb574edc0db3049ac.pdf
- https://static.usrfiles.com/ugd/b8c837_6079867b06b74188bb3d28203a4506a9.pdf
- https://cdn.shopify.com/s/files/1/0433/7342/8888/files/2528554621.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rapuz.pdf
- https://cdn.shopify.com/s/files/1/0430/4027/6642/files/nibefos.pdf
- https://cdn.shopify.com/s/files/1/0431/2812/7637/files/dont_starve_together_cheats.pdf
- https://static.usrfiles.com/ugd/271e65_c8eca524a2be47a3a17b1701f456a470.pdf
- https://static.usrfiles.com/ugd/b8c837_f52ec25b35d0407d8f27524e9b91a89d.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_off000079d2.binf526ded14ce44a081d9751f6adbfa39de8a8d8e907c11eed37cbe76679d0340d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79D2 | 5456 bytes |
font_01_sfnt_off00008c40.bin0f0b801b2e45d31483bc9c1e4a7ec8caa032af8e62e60f6285fb645c854aaf49 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C40 | 12480 bytes |
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