MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though partially corrupted, contains the same URL and text suggesting a lure for 'cost accounting theory in hindi pdf'. The PDF also exhibits characteristics of a link farm, with numerous embedded links to Shopify-hosted PDFs, likely to improve SEO and disguise malicious activity. The ML classifier 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.com/pify?keyword=cost+accounting+theory+in+hindi+pdf
- http://files.lefemmenikita.com/uploads/1/3/0/8/130874115/4e543ed.pdf
- https://cdn.shopify.com/s/files/1/0432/0477/2000/files/vizopev.pdf
- https://cdn.shopify.com/s/files/1/0429/8850/3203/files/latest_automobile_technology.pdf
- https://cdn.shopify.com/s/files/1/0454/6861/4808/files/indore_master_plan_2020_download.pdf
- https://cdn.shopify.com/s/files/1/0439/8202/8958/files/namexasogujovarenidifivas.pdf
- https://cdn.shopify.com/s/files/1/0429/7113/6154/files/pezuxige.pdf
- https://cdn.shopify.com/s/files/1/0435/7737/6936/files/learn_python_programming_language_for_beginners.pdf
- https://cdn.shopify.com/s/files/1/0439/1727/9400/files/52979317298.pdf
- https://cdn.shopify.com/s/files/1/0431/1659/3312/files/xitabej.pdf
- https://cdn.shopify.com/s/files/1/0435/3998/8648/files/mejakaro.pdf
- https://cdn.shopify.com/s/files/1/0428/1847/0044/files/corporate_information_classification_standards_and_protection_procedures.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005118.bin6c9cddbe7f6fb258d247c471cc399881527b37c66fe379e4198f7d5773f80f5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5118 | 5392 bytes |
font_01_sfnt_off0000636e.bin701b3f0231ec92cb2314777a84581de6050af5646f030eefbd9a28a14da235c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x636E | 9936 bytes |
font_02_sfnt_off0000855f.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x855F | 4324 bytes |
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