MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by an ML classifier and contains a link farm with numerous embedded URLs. One critical heuristic indicates a PDF redirector link pointing to 'ttraff.com', which is known malicious infrastructure. The document body, though partially corrupted, contains text related to 'architect interview questions pdf' and the malicious URL, suggesting a lure. The primary attack pattern involves redirecting users through a link farm to potentially 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=architect+interview+questions+pdf
- http://files.inspiringindonesia.com/uploads/1/3/1/4/131408942/b78a9384.pdf
- http://files.triparrvrentals.com/uploads/1/3/1/4/131484603/nojigubabimi.pdf
- http://files.dawnlyndiehl.com/uploads/1/3/1/3/131380627/sapasolezawud_doteb.pdf
- https://cdn.shopify.com/s/files/1/0427/8406/3654/files/jofavevipotimen.pdf
- https://cdn.shopify.com/s/files/1/0431/6574/5309/files/46663530909.pdf
- https://cdn.shopify.com/s/files/1/0432/8266/1526/files/2056798034.pdf
- https://cdn.shopify.com/s/files/1/0430/0688/6051/files/red_innocence_and_instinct.pdf
- https://cdn.shopify.com/s/files/1/0431/2491/6388/files/20865667669.pdf
- https://cdn.shopify.com/s/files/1/0432/0044/6626/files/13421004253.pdf
- https://cdn.shopify.com/s/files/1/0431/7007/0690/files/tepominulolemozuniw.pdf
- https://cdn.shopify.com/s/files/1/0434/0151/1068/files/57454237431.pdf
- https://cdn.shopify.com/s/files/1/0434/0973/5845/files/tajesekimip.pdf
- https://cdn.shopify.com/s/files/1/0432/5307/2022/files/57828061425.pdf
- https://cdn.shopify.com/s/files/1/0437/6032/0663/files/69202212014.pdf
- https://cdn.shopify.com/s/files/1/0432/4560/0931/files/sakibikotodebobuxaj.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_off0000627e.bin244c121ed1e63a70e1c92fbb6047f9d2e16a7faa75555039fce572d67f82681d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x627E | 5268 bytes |
font_01_sfnt_off00007482.bina2f535381147d273174deee1bb84114298077b0336a9274feacf52529ed78a66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7482 | 10100 bytes |
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