MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains numerous embedded links, with a critical heuristic identifying it as a link farm. One prominent URL, 'https://ttraff.club/wix?keyword=specification+of+500+kva+transformer', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL and appears to be a lure related to transformer specifications. The ML classifier strongly supports the malicious nature of this PDF.
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.club/wix?keyword=specification+of+500+kva+transformer
- https://static.usrfiles.com/ugd/22739b_3c419c297cee432795c2261df1201f63.pdf
- https://static.usrfiles.com/ugd/b8c837_dfe1d7760b8645cd8075260c6caec18d.pdf
- https://static.usrfiles.com/ugd/d61b30_a69a4023a6f049c5a701089fbbda68d1.pdf
- https://static.usrfiles.com/ugd/b8c837_32307e46f22b4d13a12dade640d34f83.pdf
- https://static.usrfiles.com/ugd/39d081_eeab99db9c0e4b61904eb5e4185e5e20.pdf
- https://static.usrfiles.com/ugd/7ef0dc_2f6dfc0659384e53a7412388f0dfbcb9.pdf
- https://static.usrfiles.com/ugd/b8c837_daf709f4c772486cbde61e62e75b0001.pdf
- https://static.usrfiles.com/ugd/ae059d_82a91a1eb1b94070bb4fe0c41c8f4e5b.pdf
- https://cdn.shopify.com/s/files/1/0437/1464/2074/files/whatsapp_plus_apk_latest_version_6._70.pdf
- https://cdn.shopify.com/s/files/1/0434/4132/4184/files/78652474316.pdf
- https://cdn.shopify.com/s/files/1/0428/5654/6467/files/puguwikon.pdf
- https://cdn.shopify.com/s/files/1/0432/7872/9374/files/barker_college_winter_uniform.pdf
- https://static.usrfiles.com/ugd/3aee12_5113791f877c4e1aafbad5b1e8f89628.pdf
- https://static.usrfiles.com/ugd/d5415a_8bd14eeb6fcc4aaa8e2a4ec38ef47f77.pdf
- https://static.usrfiles.com/ugd/2b3f46_8b1bf1e4eb9d46ac866c87351eab2f54.pdf
- https://static.usrfiles.com/ugd/41a0b6_1592e0c6017c4650a537e7f498ae95bd.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_off00005701.bined5e8a11bedebef9b6aa2c254a9eeab93cf9c39e81401ec61f2f88af9605412a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5701 | 5620 bytes |
font_01_sfnt_off00006a1d.bin0934e9d2299ed9e76414ef120a47c4d3bcbdb1d260349cd2bd97e5362444da3f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A1D | 10000 bytes |
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