MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=behavioural+analysis+pdf, suggesting a lure for the user to click. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many of which point to potentially malicious domains. The ML_NYX_PDF_MALICIOUS classifier strongly supports the malicious nature of this file.
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.cc/pify?keyword=behavioural+analysis+pdf
- http://files.silencednomoreasoldierscourage.com/uploads/1/3/1/8/131857049/vaxip.pdf
- http://files.nzrallycars.co.nz/uploads/1/3/1/4/131438784/zijonaj.pdf
- http://files.buttercupbakerymb.com/uploads/1/3/2/6/132695651/pilegato-sisexokivekased-mavejen.pdf
- http://xuxinaga.agratefulnote.com/uploads/1/3/1/4/131437601/d3c384c8.pdf
- https://cdn.shopify.com/s/files/1/0432/2800/4507/files/vexezopekatufuxuzodop.pdf
- https://cdn.shopify.com/s/files/1/0434/9453/9429/files/kanakadhara_stotram_telugu.pdf
- https://cdn.shopify.com/s/files/1/0431/2249/1553/files/61200118574.pdf
- https://cdn.shopify.com/s/files/1/0434/3041/2437/files/66740214518.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mipin.pdf
- https://cdn.shopify.com/s/files/1/0437/6988/8920/files/angle_grinder_uses.pdf
- https://cdn.shopify.com/s/files/1/0430/7881/1797/files/ostentatious_in_a_sentence.pdf
- https://cdn.shopify.com/s/files/1/0434/5269/4680/files/62917269965.pdf
- https://cdn.shopify.com/s/files/1/0450/4682/5110/files/drivers_manual_nj.pdf
- https://cdn.shopify.com/s/files/1/0433/1575/7214/files/25005488442.pdf
- https://cdn.shopify.com/s/files/1/0435/2219/5608/files/big_ideas_simply_explained_art.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_off00015caf.bin98c514b763bd0d36df0d30b234522f81f5b7783efffd89eb67a7f6c67ab2560f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15CAF | 5340 bytes |
font_01_sfnt_off00016edf.bin83715b9f53973f1ec85288b0776e17cb56833f3833d85d366c3fa808cef2f375 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16EDF | 10880 bytes |
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