MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO abuse tactic. One of the primary links, 'https://ttraff.com/pify?keyword=mechanical+vibrations+rao+6th+editio', is flagged as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body is heavily obfuscated and contains what appears to be the malicious redirector URL and several benign-looking Shopify links, likely to lend legitimacy.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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/pify?keyword=mechanical+vibrations+rao+6th+editio
- http://vuvat.thedetailors.com/uploads/1/3/0/7/130739591/zexufariledet.pdf
- http://files.hurstgreenshires.com/uploads/1/3/1/1/131163914/f8bf1f6.pdf
- http://wudor.jewsforyeshua.com/uploads/1/3/1/4/131452841/4534708.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/4536/2581/files/wokimu.pdf
- https://cdn.shopify.com/s/files/1/0437/0608/9640/files/cox_remote_not_working.pdf
- https://cdn.shopify.com/s/files/1/0432/8679/0304/files/19047694347.pdf
- https://cdn.shopify.com/s/files/1/0432/4953/3088/files/10651944012.pdf
- https://cdn.shopify.com/s/files/1/0437/1510/0826/files/barron_s_sat_math_2_11th_edition.pdf
- https://cdn.shopify.com/s/files/1/0429/1959/2102/files/11984275362.pdf
- https://cdn.shopify.com/s/files/1/0433/6749/7880/files/baby_doll_house_adventure_game.pdf
- https://cdn.shopify.com/s/files/1/0432/4848/4507/files/67570615069.pdf
- https://cdn.shopify.com/s/files/1/0434/5030/2616/files/rizamajurudeji.pdf
- https://cdn.shopify.com/s/files/1/0434/6819/3952/files/2180087208.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_off0000666a.bin5474c327a6d4de52fc9422688676b67b074a853a9f0c0cf03a24fd3a3862c57c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x666A | 5388 bytes |
font_01_sfnt_off000078a9.bine41f213063afe04c1d6727ee966f381a1f5ca666999145de117f0b143e42085c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78A9 | 10816 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.