MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded links, with one pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text suggesting a lure related to 'design patterns' and includes the malicious URL. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to attract search engine traffic, further supporting the lure. The ML classifier strongly flagged this PDF as malicious.
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=design+patterns+explained+simply+filetype+pdf
- http://files.dryreefband.com/uploads/1/3/0/7/130738951/3b5fc0054ffc.pdf
- http://files.vls-stud.co.uk/uploads/1/3/1/4/131438282/mapifatapak.pdf
- http://files.montanasavannahcats.com/uploads/1/3/1/4/131454352/kujekaropimuzos_tijaxatived_vivaduwilewumo.pdf
- https://cdn.shopify.com/s/files/1/0434/9886/4804/files/fositika.pdf
- https://cdn.shopify.com/s/files/1/0428/8954/3836/files/51956131455.pdf
- https://cdn.shopify.com/s/files/1/0430/8631/5684/files/13426694503.pdf
- https://cdn.shopify.com/s/files/1/0429/8119/5927/files/6274442656.pdf
- https://cdn.shopify.com/s/files/1/0430/9411/4457/files/vometitinokivab.pdf
- https://cdn.shopify.com/s/files/1/0431/9775/9643/files/badivom.pdf
- https://cdn.shopify.com/s/files/1/0437/2316/1768/files/levedu.pdf
- https://cdn.shopify.com/s/files/1/0430/5698/8311/files/10048580112.pdf
- https://cdn.shopify.com/s/files/1/0434/2621/8134/files/pulunidabur.pdf
- https://cdn.shopify.com/s/files/1/0431/5843/8056/files/sinogisilef.pdf
- https://cdn.shopify.com/s/files/1/0430/3159/3113/files/fibazefuvaforeramal.pdf
- https://cdn.shopify.com/s/files/1/0430/8297/3346/files/kirakejuxumijofaxodorir.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_off00005ecf.bin2a4c17e8b84c471f6702f3fc0043a11c23faf8d82d46e6bf3da4a550b4a89922 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5ECF | 5528 bytes |
font_01_sfnt_off00007199.bine53612a7aa555f4eaef34daa7dd45fb6b82055e6f082b4b3ee3fca57951e395b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7199 | 10048 bytes |
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