MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link that impersonates Adobe Reader, directing users to a known malicious redirector. The ML classifier strongly indicated maliciousness, and the PDF structure includes a mass external link farm, suggesting a phishing or malware distribution attempt. The primary IOC is the malicious 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.com/wix?keyword=adobe+reader+windows+xp+32+bit+sp2
- https://static.usrfiles.com/ugd/2e4eb4_5be10f665e084b0d9fefa72567d8f147.pdf
- https://static.usrfiles.com/ugd/b8c837_4f523f56af1f483e92e1b8739e9867df.pdf
- https://static.usrfiles.com/ugd/7198c1_4de2e0bb742b4dc78ac20536a63ef6ff.pdf
- https://static.usrfiles.com/ugd/912de2_7330fbcaadc44b45a8a680bfccb0e929.pdf
- https://static.usrfiles.com/ugd/b8c837_7642f6ffc28645288c5cd434533edc10.pdf
- https://static.usrfiles.com/ugd/b8c837_7902245d2bbc41298be85ada6cb43531.pdf
- https://static.usrfiles.com/ugd/b8c837_70c3ed30593944dfab658a37850a33e9.pdf
- https://static.usrfiles.com/ugd/b8c837_57ff512707e844248063155b12a8eefa.pdf
- https://static.usrfiles.com/ugd/739437_9a7590c1122248198ca8e20512aaf49e.pdf
- https://cdn.shopify.com/s/files/1/0431/7344/5788/files/23009995847.pdf
- https://cdn.shopify.com/s/files/1/0434/9018/1286/files/rarizojafegubetetuliji.pdf
- https://cdn.shopify.com/s/files/1/0428/7165/2508/files/miruxedejufosukevovevina.pdf
- https://cdn.shopify.com/s/files/1/0440/1725/4558/files/nudepotararoj.pdf
- https://cdn.shopify.com/s/files/1/0437/9171/2405/files/sap_bods_study_material.pdf
- https://cdn.shopify.com/s/files/1/0431/6345/1549/files/cross_eyed_emoticons.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_off00005ff3.bin775c7beaf6d87dd06e48b20e1e876029dd932c199160b4a71dcb182b5f05d767 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FF3 | 5508 bytes |
font_01_sfnt_off000072c4.bin2f059306d6f08009f341a496811b059251862f6c76f893459f68753da4a10cb6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72C4 | 10380 bytes |
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