MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, including a critical redirector link to 'ttraff.cc'. The document body, though partially garbled, suggests a lure related to 'Allen test paper pdf 2020'. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm strategy, likely to obscure the malicious redirector. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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=allen+test+paper+pdf+2020
- http://jepimu.charleslubin.com/uploads/1/3/2/7/132712109/zimelewibikeleb_lekiz.pdf
- http://duwudosej.ipmed.org/uploads/1/3/1/4/131406717/8510b63c2cedde.pdf
- http://files.nourishmeantshop.com/uploads/1/3/1/3/131379012/gakegokenoxag.pdf
- https://cdn.shopify.com/s/files/1/0434/0174/0439/files/negevibitaxuxe.pdf
- https://cdn.shopify.com/s/files/1/0433/0684/4315/files/punuwexepa.pdf
- https://cdn.shopify.com/s/files/1/0437/5799/4138/files/50977601865.pdf
- https://cdn.shopify.com/s/files/1/0437/7686/8510/files/antibiotic_guidelines_johns_hopkins_2020.pdf
- https://cdn.shopify.com/s/files/1/0434/7353/5138/files/kenojikepafaditov.pdf
- https://cdn.shopify.com/s/files/1/0428/5192/6183/files/83653295199.pdf
- https://cdn.shopify.com/s/files/1/0428/4334/0956/files/xefadodinidopo.pdf
- https://cdn.shopify.com/s/files/1/0429/3450/1535/files/76183770468.pdf
- https://cdn.shopify.com/s/files/1/0432/5661/0969/files/pasavobomufodatu.pdf
- https://cdn.shopify.com/s/files/1/0435/3127/2351/files/23363365398.pdf
- https://cdn.shopify.com/s/files/1/0430/5115/5618/files/59458520141.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_off00005be7.binca69ecb5c6960479987ecb69e4360e6f98b90100bf40568f2d72ac1396d4f8c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BE7 | 5296 bytes |
font_01_sfnt_off00006dfa.binc04b90fa6caea344f7eba86e7760509d043e2defa570f2c8f91501c3957f22f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DFA | 9996 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.