MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text suggesting a lure related to 'protein structure powerpoint template' and includes the malicious URL. The ML classifier also strongly flagged this PDF as malicious.
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/pify?keyword=protein+structure+powerpoint+template
- https://static.usrfiles.com/ugd/63022f_2c0d456eb55d4fbbafd26399ba2e6ae0.pdf
- https://static.usrfiles.com/ugd/12f4eb_e3344b97b65c4fbbb85dac2d6b385697.pdf
- https://static.usrfiles.com/ugd/73cb9e_64a10f9e074f4e8cb847effb571d9f9c.pdf
- https://static.usrfiles.com/ugd/ca9b0a_3dfccdccb1bd47bf89f38909137e1084.pdf
- https://static.usrfiles.com/ugd/d7ba0f_865dce3fc90c4e33b1f915d72ae5d97c.pdf
- https://static.usrfiles.com/ugd/37428b_f2be741743fb4927af5153443bec78ee.pdf
- https://static.usrfiles.com/ugd/dd4472_814dc7a9418e401c8df9634e5849646c.pdf
- https://static.usrfiles.com/ugd/b8c837_c348125c14e743af95484c08f42a5667.pdf
- https://static.usrfiles.com/ugd/72216b_ee8bd0d61e254d64adb85ba0342a0fea.pdf
- https://static.usrfiles.com/ugd/b8c837_4505f707abef4a2eba8713b00a831b7b.pdf
- https://static.usrfiles.com/ugd/850f07_3ac3affd519c4c5fb178589a203fe662.pdf
- https://static.usrfiles.com/ugd/b8c837_5ba0899f1c3b4c5b88aad73add6155e6.pdf
- https://static.usrfiles.com/ugd/b8c837_dc0290c9949c423c865e12435864e4ad.pdf
- https://static.usrfiles.com/ugd/b8c837_c8f27721dc434d41b0938e64aaaebd65.pdf
- https://static.usrfiles.com/ugd/b8c837_f2b0b735e20c4f308f2f9922363ccce6.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_off000063a9.bin16d448f28cd63dcb637742c91cf5327510633d6e6b5c2b0b5e563dd57d0ecffa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63A9 | 5172 bytes |
font_01_sfnt_off0000753f.bin8d34778f412fd6e3218e05ec37e9626cc265724d7cb0d3baec18dfd22850dee2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x753F | 10056 bytes |
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