MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high number of embedded links, many of which point to a redirector service (ttraff.com) that is known to host malicious content. The document body, though partially corrupted, includes the search term 'bd full form medical term' and the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier also strongly indicated 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.com/pify?keyword=bd+full+form+medical+term
- http://files.puldinauto.com/uploads/1/3/0/7/130775171/depimob-kuxenafobix.pdf
- http://files.mariescatering.ca/uploads/1/3/1/1/131164252/2568661.pdf
- https://cdn.shopify.com/s/files/1/0436/1011/2163/files/afcat_exam_paper.pdf
- https://cdn.shopify.com/s/files/1/0430/7881/1810/files/album_terbaru_bts_face_yourself.pdf
- https://cdn.shopify.com/s/files/1/0432/7515/7670/files/game_design_theory_and_practice_second_edition.pdf
- https://cdn.shopify.com/s/files/1/0429/9754/7157/files/98541027754.pdf
- https://cdn.shopify.com/s/files/1/0428/1591/4151/files/43991507911.pdf
- https://cdn.shopify.com/s/files/1/0436/0775/2861/files/reser.pdf
- https://cdn.shopify.com/s/files/1/0430/5698/8317/files/jatajiwunidekoxir.pdf
- https://cdn.shopify.com/s/files/1/0431/1918/1978/files/41565185012.pdf
- https://cdn.shopify.com/s/files/1/0427/5562/1031/files/57092470185.pdf
- https://cdn.shopify.com/s/files/1/0440/3331/0870/files/preliminary_general_maths_textbook.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_off00005fee.binf9a46ce4817484952fc3e168575821dbf43c5bbb9b23c10a9d0fc72f7a01546e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FEE | 5036 bytes |
font_01_sfnt_off000070f0.binfa59928dd9db2ccc075351a7b76d82a58e57870d47e6e78e549fda41c9e65910 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70F0 | 9708 bytes |
font_02_sfnt_off00009251.bin71965a19a7f9335088809374b0d641e6d4a160bd395340b351c68b22b5e6656e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9251 | 16160 bytes |
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