MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=op+amp+circuits+examples+pdf', which is a known malicious redirector. This suggests the document's primary purpose is to lure users to malicious infrastructure by masquerading as a technical document.
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=op+amp+circuits+examples+pdf
- http://files.inspiredinksbymadeline.com/uploads/1/3/1/3/131379928/gijati.pdf
- http://sobazezi.capricruz.com/uploads/1/3/1/4/131407089/3061974.pdf
- http://baxujobel.albertabaton.com/uploads/1/3/1/4/131408027/5c71fb614b7.pdf
- http://files.olgausova.com/uploads/1/3/0/8/130814596/dd59a536eee44c.pdf
- https://cdn.shopify.com/s/files/1/0432/8790/4411/files/21270092000.pdf
- https://cdn.shopify.com/s/files/1/0436/4189/7113/files/79924412979.pdf
- https://cdn.shopify.com/s/files/1/0434/0023/3112/files/72199491412.pdf
- https://cdn.shopify.com/s/files/1/0428/9187/0375/files/fundamentos_psicologicos_del_curriculo.pdf
- https://cdn.shopify.com/s/files/1/0434/9542/4165/files/vovebojaxisitokiwediki.pdf
- https://cdn.shopify.com/s/files/1/0431/5181/8903/files/mercedes_benz_a160_service_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/4975/4519/files/61880486507.pdf
- https://cdn.shopify.com/s/files/1/0428/3914/6662/files/bulilaxavokiwelowogikuv.pdf
- https://cdn.shopify.com/s/files/1/0433/3341/9160/files/70076541801.pdf
- https://cdn.shopify.com/s/files/1/0429/8165/4691/files/something_awful_emoticons.pdf
- https://cdn.shopify.com/s/files/1/0431/2052/5476/files/23664935134.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_off00006698.bin2c64d206fde4154d69995f7c4181560dd354b0b14c05537a861db4086031a319 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6698 | 5396 bytes |
font_01_sfnt_off000078da.bin0bedf49a58eff1c5b0dc1e9e7d55131331a893f3eb720520d946c538d9c9f79b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78DA | 10236 bytes |
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