MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.ru) known for malicious activity. The document body is obfuscated but appears to be a lure related to a 'Briquettes manufacturing project report'. The ML classifier strongly indicated maliciousness, and the PDF structure itself suggests a link farm designed to drive traffic to potentially harmful sites.
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=briquettes+manufacturing+project+report
- http://files.daisychainkinsale.com/uploads/1/3/1/0/131069934/komezonugetebawum.pdf
- http://files.strainjapanschool.com/uploads/1/3/0/7/130775834/9714942.pdf
- http://files.royalcityfootclinic.com/uploads/1/3/0/9/130969220/wugosupekomewefogam.pdf
- https://cdn.shopify.com/s/files/1/0437/8663/3377/files/8th_grade_vocabulary_test.pdf
- https://cdn.shopify.com/s/files/1/0437/1048/0533/files/54536781804.pdf
- https://cdn.shopify.com/s/files/1/0429/9037/0975/files/79221735881.pdf
- https://cdn.shopify.com/s/files/1/0429/5232/7324/files/95370863354.pdf
- https://cdn.shopify.com/s/files/1/0431/0620/5857/files/astigmatisme_cours.pdf
- https://cdn.shopify.com/s/files/1/0433/1238/2117/files/97114638897.pdf
- https://cdn.shopify.com/s/files/1/0430/3680/3233/files/36052354684.pdf
- https://cdn.shopify.com/s/files/1/0433/3341/9160/files/fzmoviez_in_hollywood.pdf
- https://cdn.shopify.com/s/files/1/0432/8960/8360/files/bapavodasitigalid.pdf
- https://cdn.shopify.com/s/files/1/0434/7900/7384/files/el_budismo_esoterico.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_off0000683f.bine33b3760aa82e4ef33b9b40927ea99b75e2c32bbbcaf3acc34df76a0fea4f571 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x683F | 5556 bytes |
font_01_sfnt_off00007b1b.bin33b135b654272ed4d24859356e425b5684f375671e36084ec0eb15833efd3b35 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B1B | 10776 bytes |
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