MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, ttraff.ru, which is disguised as a document offering SQL interview questions. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs pointing to other PDFs, suggesting an attempt to manipulate search engine results or distribute malicious content. The ML classifier strongly indicates maliciousness.
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=pl+sql+experienced+interview+questions+and+answers+pdf
- http://files.ashequilters.org/uploads/1/3/0/7/130738889/bidub_rawadagokoje_magum_dorawedunilasuf.pdf
- http://files.cuyaramidwifery.com/uploads/1/3/0/7/130776298/legejumumopoxoto.pdf
- http://files.middleclassmusings.com/uploads/1/3/0/7/130775310/kimigus.pdf
- http://gavadu.kirstenjoan.com/uploads/1/3/1/4/131453540/5360810.pdf
- http://files.hairstylizzt.com/uploads/1/3/1/3/131381722/61e33ea8.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/0627/1394/files/le_bourgeois_gentilhomme.pdf
- https://cdn.shopify.com/s/files/1/0439/4424/7451/files/tamil_e_newspaper.pdf
- https://cdn.shopify.com/s/files/1/0429/2047/6828/files/bedenibepupimavaxa.pdf
- https://cdn.shopify.com/s/files/1/0431/0210/9856/files/janita_mae_killam.pdf
- https://cdn.shopify.com/s/files/1/0431/2891/4087/files/sokofipebexuvipotetumeme.pdf
- https://cdn.shopify.com/s/files/1/0428/9419/6902/files/24116462055.pdf
- https://cdn.shopify.com/s/files/1/0439/6302/3518/files/worepuzawizodawuziba.pdf
- https://cdn.shopify.com/s/files/1/0440/8298/7173/files/coffee_break_french_lesson_2.pdf
- https://cdn.shopify.com/s/files/1/0429/3797/4950/files/fezubupisalowuz.pdf
- https://cdn.shopify.com/s/files/1/0435/9431/7981/files/120_kilos_in_pounds.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_off0000c199.bin65721ed12d07fb0c5e77876ca67a426cee88d879cfec024d8842d969727687bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC199 | 5496 bytes |
font_01_sfnt_off0000d470.bin3bb1980b56d070356a52b17a70bda844687af91d8393e46424d06f1c9d2520e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD470 | 14076 bytes |
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