MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded links that point to a known malicious redirector infrastructure, specifically 'ttraff.ru'. The document body, though heavily obfuscated, contains text that appears to be a lure related to dental practice materials. The presence of numerous external PDF links suggests a link farm or SEO manipulation tactic to distribute malicious content.
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=operatoria+dental+barrancos+4+edicion+pdf
- http://files.honmoto.com/uploads/1/3/0/7/130740200/9edcc.pdf
- http://files.ntangi.com/uploads/1/3/1/4/131406592/1858532.pdf
- http://files.warmnightcandles.com/uploads/1/3/0/7/130739404/aeff128085.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/7259/3820/files/4389365592.pdf
- https://cdn.shopify.com/s/files/1/0434/2359/6693/files/26884458832.pdf
- https://cdn.shopify.com/s/files/1/0435/3074/8072/files/xotalekakosudoz.pdf
- https://cdn.shopify.com/s/files/1/0433/3309/1480/files/mavamavekopadoxabupusaje.pdf
- https://cdn.shopify.com/s/files/1/0431/4211/9592/files/42116446916.pdf
- https://cdn.shopify.com/s/files/1/0434/2880/6806/files/pipe_strip_transcript.pdf
- https://cdn.shopify.com/s/files/1/0434/4964/7271/files/80944500686.pdf
- https://cdn.shopify.com/s/files/1/0439/6482/5758/files/dutamusub.pdf
- https://cdn.shopify.com/s/files/1/0433/1103/8632/files/lalusikikabosidifara.pdf
- https://cdn.shopify.com/s/files/1/0431/2114/8061/files/fufijusebir.pdf
- https://cdn.shopify.com/s/files/1/0430/9729/2949/files/12278825664.pdf
- https://cdn.shopify.com/s/files/1/0429/7120/1695/files/zizamenuzagizamolixipuna.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_off000061c9.bin8895db48be43b4ea2b7420698d4aa1849afee3b13a9224c921b04ca1b2565d5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61C9 | 5404 bytes |
font_01_sfnt_off00007432.binf38bbb419f5be6a73da834b3db5e860fa642024e0e35b1ef9482c54fefba4e8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7432 | 10264 bytes |
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