MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded URLs, with one identified as a malicious redirector (ttraff.com). The document body, though heavily obfuscated, contains text related to 'Bsc nursing 1st year question paper 2020 pdf' and the malicious URL itself, suggesting a lure to trick users into downloading or accessing further malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the presence of malicious redirector links.
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=bsc+nursing+1st+year+question+paper+2020+pdf
- http://gibotu.thejamesriceshow.com/uploads/1/3/0/8/130813054/7261570.pdf
- http://dajebep.tubietsai.com/uploads/1/3/1/4/131454065/8074719.pdf
- http://files.glendowiecommunitycentre.org.nz/uploads/1/3/0/7/130775892/90da112ee608479.pdf
- http://pufoxi.longosfinancialmarket.com/uploads/1/3/2/6/132681947/0f464fb.pdf
- https://cdn.shopify.com/s/files/1/0432/1217/7572/files/85487365809.pdf
- https://cdn.shopify.com/s/files/1/0427/4189/1238/files/buderopegeja.pdf
- https://cdn.shopify.com/s/files/1/0429/4030/1478/files/patch_7._1._5_notes.pdf
- https://cdn.shopify.com/s/files/1/0434/2589/0469/files/cox_tv_guide.pdf
- https://cdn.shopify.com/s/files/1/0437/8443/7922/files/the_beatles_20_greatest_hits_songs.pdf
- https://cdn.shopify.com/s/files/1/0430/0183/9775/files/femeximedug.pdf
- https://cdn.shopify.com/s/files/1/0429/0111/0940/files/46082987710.pdf
- https://cdn.shopify.com/s/files/1/0432/5670/9288/files/tezobimapazewin.pdf
- https://cdn.shopify.com/s/files/1/0434/6196/8025/files/error_code_0x80070020.pdf
- https://cdn.shopify.com/s/files/1/0433/7552/6051/files/blockchain_adalah.pdf
- https://cdn.shopify.com/s/files/1/0432/3606/5438/files/juvuforokamuxinifetoxowal.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/
- https://cdn.shopify.com/s/files/1/0433/7552/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000068f9.bin9c65b433aeee3e20c3565a2b5f61f11e1d3c41dd6004ee48cdda39d7f9464caf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68F9 | 5892 bytes |
font_01_sfnt_off00007d21.binb09762c7afafeabdc5c66f20b8c4b08f163dc38730a2575be9f695b56ba2a62d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D21 | 10168 bytes |
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