MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a link to a known malicious redirector infrastructure, disguised with a seemingly relevant keyword. The document body, though heavily obfuscated, contains the URL and appears to be a lure for users to click on it. The presence of numerous other PDF links suggests a link farm or SEO manipulation tactic. No scripts were extracted, but the PDF structure itself facilitates the redirection.
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.ru/wix?keyword=new+guidelines+for+blood+pressure+2017
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b56239_01eb9b08d0a9453693b8197077374e5c.pdf
- https://static.usrfiles.com/ugd/dd4472_79256e0231b14143b7699aebf7cf0222.pdf
- https://static.usrfiles.com/ugd/3826db_76c349ff494c4e91af34fe6b5f0612c0.pdf
- https://static.usrfiles.com/ugd/362633_783e560a0c7042098996045535911f20.pdf
- https://cdn.shopify.com/s/files/1/0429/2352/4259/files/bdnf_and_exercise.pdf
- https://cdn.shopify.com/s/files/1/0433/3476/2654/files/bilotuwi.pdf
- https://cdn.shopify.com/s/files/1/0437/4629/5959/files/windows_10_hardening_script.pdf
- https://cdn.shopify.com/s/files/1/0434/7595/9973/files/algebra_2_midterm_review_packet.pdf
- https://static.usrfiles.com/ugd/b8c837_2ad4e55b4ba84abeaf4b87e3f3fd2a3d.pdf
- https://static.usrfiles.com/ugd/b8c837_319cd641a06548368e40ee5fc834fe4f.pdf
- https://static.usrfiles.com/ugd/d99ef3_651a3b9aebfc4333860d5772e37f2765.pdf
- https://static.usrfiles.com/ugd/97634b_f18b14b24e964f6caa71c3c2b7ee5f96.pdf
- https://static.usrfiles.com/ugd/b8c837_19d6b2351b174b71a02d7582669cccff.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000071c4.bin6f68fde32096968f2d38e4d7fc7cffcb223a7db008afef68234516bf5670661e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71C4 | 5604 bytes |
font_01_sfnt_off00008519.bin58db925785b735f80073ea522b70d368f11910563af9d9f75c31c8ae66788c4f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8519 | 10476 bytes |
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