MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, ttraff.com, which is likely used to obscure the final destination of the malicious payload. The document body and embedded links suggest a lure related to academic materials, aiming to trick users into clicking the malicious link. The presence of numerous external PDF links further indicates a link farm strategy to distribute malicious content.
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=edexcel+igcse+economics+student+book+answers
- http://files.southgeorgiaelitecheer.com/uploads/1/3/1/8/131856124/877c02ffd52.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0427/9762/9596/files/lomifopeki.pdf
- https://cdn.shopify.com/s/files/1/0435/9775/8622/files/cours_d_anglais_americain.pdf
- https://cdn.shopify.com/s/files/1/0432/7319/1588/files/gimawur.pdf
- https://cdn.shopify.com/s/files/1/0431/8658/5749/files/pogikijiter.pdf
- https://cdn.shopify.com/s/files/1/0433/5111/3883/files/zidikag.pdf
- https://cdn.shopify.com/s/files/1/0428/6935/8758/files/operations_management_krajewski.pdf
- https://cdn.shopify.com/s/files/1/0437/0199/3622/files/28136066349.pdf
- https://cdn.shopify.com/s/files/1/0431/5663/5812/files/boxozup.pdf
- https://cdn.shopify.com/s/files/1/0434/5685/6230/files/69166548559.pdf
- https://cdn.shopify.com/s/files/1/0430/6475/4325/files/52044977148.pdf
- https://cdn.shopify.com/s/files/1/0434/6131/2676/files/61361418317.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000491c.bin7604d76b07ca2f9463fb283cc4ffd6e1f614a9e9acde0af826fc25ad765391da |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x491C | 5580 bytes |
font_01_sfnt_off00005c16.bine510cceb74e088071ee76333feaf79c6ccbf7bfd13fecde63a8077902b4b1193 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C16 | 10384 bytes |
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