MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, which is also present in the document body. The link leads to a URL that is part of a link farm, suggesting a SEO poisoning or spamming campaign. The ML classifier also strongly flagged this PDF as malicious. The primary malicious IOC is the redirector URL.
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=auto+call+recorder++for+jio+mobile
- https://cdn.shopify.com/s/files/1/0435/8635/5357/files/poxovan.pdf
- https://cdn.shopify.com/s/files/1/0433/2758/6457/files/appendiceal_abscess.pdf
- https://cdn.shopify.com/s/files/1/0430/5377/7045/files/dewalt_planer_dw735_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/0544/3233/files/catatonic_schizophrenia_treatment.pdf
- https://cdn.shopify.com/s/files/1/0435/6292/6229/files/fitofikazumuwepakukus.pdf
- https://static.usrfiles.com/ugd/b8c837_05e8dd3f692e42dd9d7b98aabf6b5b1c.pdf
- https://static.usrfiles.com/ugd/cc15ef_1bbff9ee7e7c4dd5b2f3db3f1b1d2abc.pdf
- https://static.usrfiles.com/ugd/b52961_5026d131120a4b2a9b851780fd398fbe.pdf
- https://static.usrfiles.com/ugd/7f16bd_de4048a8ca8b4f5fb7ad02884558934b.pdf
- https://static.usrfiles.com/ugd/ce77c6_c196740d4af64a23b104ff3c95fb2191.pdf
- https://static.usrfiles.com/ugd/7baf93_12070507fa6d401baef20277b0b507ce.pdf
- https://static.usrfiles.com/ugd/b8c837_b795ef5f06474cda8c10d76bfa098e23.pdf
- https://static.usrfiles.com/ugd/097bd5_4f8d938bff7f49fda4458761e8cbddfc.pdf
- https://static.usrfiles.com/ugd/15ebe2_1c6e98cb5d434f2ebd25b965fbe223d5.pdf
- https://static.usrfiles.com/ugd/dc51bb_734bba9730674cef922b224dfd4afd64.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_off00004d9b.binc298eba9fa52e062d53c92f588aab7132f2c5a43a9e5666ca82c5c833288efaa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D9B | 5192 bytes |
font_01_sfnt_off00005f34.bin178de526412540fd610def0f9dcb59d69430cbb949b544dfaea040f41ba6fa90 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F34 | 9640 bytes |
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