MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=angina+pdf+2020'. This indicates the document is likely a lure designed to redirect users to a malicious site. The presence of a large number of external PDF links, many hosted on cdn.shopify.com, suggests a link farm or SEO poisoning tactic to improve search engine visibility for malicious content. The ML classifier also strongly flagged this PDF as malicious.
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=angina+pdf+2020
- http://files.firstaidresilience.com/uploads/1/3/0/9/130968917/e093b68f8a24.pdf
- http://files.vexsens.com/uploads/1/3/0/7/130775846/waforumuwanaxogudo.pdf
- http://bafipos.troop374raleigh.com/uploads/1/3/2/6/132681556/nusadapimob_neniwobarug_mijivu.pdf
- http://files.rebednar.com/uploads/1/3/0/7/130775002/3298497.pdf
- https://cdn.shopify.com/s/files/1/0433/7061/0851/files/93000810182.pdf
- https://cdn.shopify.com/s/files/1/0427/9799/0055/files/80916641873.pdf
- https://cdn.shopify.com/s/files/1/0430/1619/2153/files/sobew.pdf
- https://cdn.shopify.com/s/files/1/0434/0131/4456/files/arifureta_light_novel_vol_1.pdf
- https://cdn.shopify.com/s/files/1/0430/7389/6602/files/dolixezewijab.pdf
- https://cdn.shopify.com/s/files/1/0429/5586/6263/files/pejonug.pdf
- https://cdn.shopify.com/s/files/1/0432/4976/2459/files/vapikomofolipubakude.pdf
- https://cdn.shopify.com/s/files/1/0428/2341/8019/files/1858137251.pdf
- https://cdn.shopify.com/s/files/1/0430/3765/5191/files/50784719339.pdf
- https://cdn.shopify.com/s/files/1/0430/6649/1042/files/80673598883.pdf
- https://cdn.shopify.com/s/files/1/0431/2937/2821/files/jamujaruberumafunop.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_off000074e9.bind67ba14e62cffe95588ff118e354a59c356555c290e5b3ce66b94fcd15da3136 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74E9 | 5164 bytes |
font_01_sfnt_off0000869c.bind1fa82bf41cee209429a3b63cb88e6227e17e259b6c61f3568d9f9a7681ba55c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x869C | 10468 bytes |
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