MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, including one pointing to a known malicious redirector at ttraff.ru. The document body, though heavily obfuscated, contains text suggesting it is a PDF related to 'industrial ergonomics case studies', likely a lure. The ML classifier strongly indicated maliciousness, and the presence of a link farm heuristic further supports a malicious intent to drive traffic to potentially harmful sites.
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=industrial+ergonomics+case+studies+pdf
- http://dafozuji.epidesignlab.com/uploads/1/3/1/8/131857101/sunasa.pdf
- http://ximetad.ahmedahres.com/uploads/1/3/0/7/130739113/e43e54feaf.pdf
- http://files.liveactionguideservice.com/uploads/1/3/1/8/131871568/4257493.pdf
- http://files.kzooathleticwellness.com/uploads/1/3/0/8/130813732/91c604fa9a2.pdf
- https://cdn.shopify.com/s/files/1/0438/3395/0370/files/lanepugigolaba.pdf
- https://cdn.shopify.com/s/files/1/0447/9172/6240/files/fast_times_at_ridgemont_high_123movies.pdf
- https://cdn.shopify.com/s/files/1/0438/1304/4386/files/masnoon_dua_bangla.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zugazad.pdf
- https://cdn.shopify.com/s/files/1/0433/2794/6904/files/71025717680.pdf
- https://cdn.shopify.com/s/files/1/0431/6617/1296/files/86316757738.pdf
- https://cdn.shopify.com/s/files/1/0433/3718/7493/files/voxogapeginobisagube.pdf
- https://cdn.shopify.com/s/files/1/0432/6470/4662/files/ad_d_2nd_edition_monster_manual.pdf
- https://cdn.shopify.com/s/files/1/0435/4398/6327/files/40010120655.pdf
- https://cdn.shopify.com/s/files/1/0429/6582/7747/files/nuwumesogasotej.pdf
- https://cdn.shopify.com/s/files/1/0435/8098/1407/files/55325404625.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_off00006337.binf4384227a8d56d0da21bf3ee9afaa06dea7396188f77e4f518d93982e7f7204d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6337 | 5412 bytes |
font_01_sfnt_off00007583.binfab5d6b99c8e19b9bd6a299fd3d621d6315bf51e9900eaf066d2a01b833e0d25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7583 | 10340 bytes |
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