MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as an advertisement for a chess app. The link points to 'ttraff.com', which is flagged as malicious. The document also contains a large number of links to Shopify-hosted PDFs, suggesting a link farm for SEO manipulation or traffic redirection. The ML classifier strongly indicates maliciousness.
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=best+chess+opening+app+android
- http://files.stephaniemwilhelm.com/uploads/1/3/1/6/131606486/85f9b78f619.pdf
- http://files.brjohnrajpa.com/uploads/1/3/2/3/132303172/1858041.pdf
- http://files.opalquestgroup.com/uploads/1/3/1/6/131637104/tijizozazigi.pdf
- http://files.stauntonalliancechurch.org/uploads/1/3/0/7/130740320/719199d5.pdf
- https://cdn.shopify.com/s/files/1/0430/0269/1743/files/84647584117.pdf
- https://cdn.shopify.com/s/files/1/0433/0212/5733/files/gojuzuwajomoxemiwi.pdf
- https://cdn.shopify.com/s/files/1/0437/8918/9272/files/zawezitore.pdf
- https://cdn.shopify.com/s/files/1/0432/2449/8333/files/jogisebovojag.pdf
- https://cdn.shopify.com/s/files/1/0432/0909/7376/files/gazawesusubozewefi.pdf
- https://cdn.shopify.com/s/files/1/0427/7361/0663/files/dalagopami.pdf
- https://cdn.shopify.com/s/files/1/0433/2313/0009/files/375914644.pdf
- https://cdn.shopify.com/s/files/1/0427/9291/1007/files/kesunasomofug.pdf
- https://cdn.shopify.com/s/files/1/0437/1572/3414/files/jadapix.pdf
- https://cdn.shopify.com/s/files/1/0433/4059/5355/files/mejagipabaxoboxufof.pdf
- https://cdn.shopify.com/s/files/1/0435/0686/0187/files/90501424584.pdf
- https://cdn.shopify.com/s/files/1/0429/1382/4927/files/79234614303.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_off00008c26.bin0cb4873eb24caa2d95d8985c22e131f1e6a218d143eb928aa794afa4cbbb04b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C26 | 5140 bytes |
font_01_sfnt_off00009d8e.bincc38207dd038cfccb369c17e4d80161f22239b7b5492d80812afa99b844107bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D8E | 10320 bytes |
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