MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, with one identified as a known malicious redirector. The document body, though heavily obfuscated, contains URLs that are part of a link farm designed to direct users to potentially malicious content. The ML classifier strongly indicated maliciousness, supporting the conclusion that this PDF is used for malicious redirection.
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=accelerometer+calibration+pdf
- http://nusowelo.lucyclaireofficial.com/uploads/1/3/0/7/130775734/9388e.pdf
- http://files.acmeng.com/uploads/1/3/0/8/130814680/5809623.pdf
- http://joxukojep.heinrichtoh.com/uploads/1/3/1/4/131406893/xemiwomewifuferov.pdf
- http://dipoku.sweetreesmaple.com/uploads/1/3/1/4/131407424/fibadito-roluvum-ribivufafotesox-gatowogefijejir.pdf
- http://files.migrainepro.com/uploads/1/3/0/7/130775590/vuvawibigolo.pdf
- https://cdn.shopify.com/s/files/1/0431/0820/4704/files/tijugelukelo.pdf
- https://cdn.shopify.com/s/files/1/0437/0189/5322/files/zigabukefa.pdf
- https://cdn.shopify.com/s/files/1/0431/1613/4551/files/97426114435.pdf
- https://cdn.shopify.com/s/files/1/0431/5214/6587/files/kasunekozabutogarakiloze.pdf
- https://cdn.shopify.com/s/files/1/0432/1725/6603/files/vesogenotukelaso.pdf
- https://cdn.shopify.com/s/files/1/0430/6491/8165/files/fegitatujorudovefoxeler.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/62042090741.pdf
- https://cdn.shopify.com/s/files/1/0429/9702/2871/files/82585960071.pdf
- https://cdn.shopify.com/s/files/1/0428/1440/6823/files/95451415543.pdf
- https://cdn.shopify.com/s/files/1/0432/5608/6696/files/11077454364.pdf
- https://cdn.shopify.com/s/files/1/0431/2278/6466/files/mipogodifolagenip.pdf
- https://cdn.shopify.com/s/files/1/0432/3151/0690/files/5410651040.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000065d6.bin01f34cfd81a71fc00cd26095ca44f79ce6b309cd788924928274e5d4bbb86ffb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65D6 | 5252 bytes |
font_01_sfnt_off00007794.bin5b01144ac58a6730c0ad64e7be00c35488821acdcec94c9290eb445b152cb5c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7794 | 10272 bytes |
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