MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates that a link within the document redirects to known malicious infrastructure at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'Zimsec o level mathematics questions and answers pdf', suggesting a lure to disguise the malicious intent. The presence of numerous Shopify-hosted PDFs and other obscure domains suggests a link farm designed to obscure the ultimate malicious destination.
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=zimsec+o+level+mathematics+questions+and+answers+pdf
- http://luzibonu.whisperingpinesfarmpa.com/uploads/1/3/0/8/130814017/542dae67.pdf
- http://files.gitxsansimalgyax.com/uploads/1/3/1/3/131384340/970805.pdf
- http://files.saveurchico.com/uploads/1/3/1/3/131379873/sunibekulefako-lorobo-vesutirukafo.pdf
- http://files.centrepointecincinnati.com/uploads/1/3/1/4/131406413/e08b8.pdf
- https://cdn.shopify.com/s/files/1/0429/3564/8409/files/lefexifikawurosarukuso.pdf
- https://cdn.shopify.com/s/files/1/0432/4818/9603/files/68022923786.pdf
- https://cdn.shopify.com/s/files/1/0430/6019/9573/files/33010130385.pdf
- https://cdn.shopify.com/s/files/1/0427/6856/4380/files/40473752909.pdf
- https://cdn.shopify.com/s/files/1/0432/4697/7188/files/99733424161.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3496/files/47642405944.pdf
- https://cdn.shopify.com/s/files/1/0437/2103/1832/files/vubozetekobatix.pdf
- https://cdn.shopify.com/s/files/1/0428/2168/1315/files/rorevuxisadebepolapupebas.pdf
- https://cdn.shopify.com/s/files/1/0432/7361/7576/files/10367585228.pdf
- https://cdn.shopify.com/s/files/1/0430/8638/1210/files/25105425214.pdf
- https://cdn.shopify.com/s/files/1/0431/0440/3613/files/73418161627.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_off0000886a.binc646cccf50a8f4a0dab9eeb0155d78ee90629b2f9ab037eedd109019530f8ed6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x886A | 5628 bytes |
font_01_sfnt_off00009b77.binc3746d19e83a80fa277e3b90be15660500d9f781fe9233f3ca630fb313718572 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B77 | 11152 bytes |
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