MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external resources, including a known malicious redirector. The document body, though heavily obfuscated, contains references to 'John Lewis duvet cover size guide', likely a lure. The primary malicious IOC is the redirector URL, which is designed to lead the user to further malicious content. 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.cc/pify?keyword=john+lewis+duvet+cover+size+guide
- http://kikasen.hcbmusic.com/uploads/1/3/1/3/131380213/6422037.pdf
- http://lomimozuw.tumbleweedsandnotions.com/uploads/1/3/2/8/132814930/wukepezuva-maginu.pdf
- http://files.michaelhaggins.com/uploads/1/3/0/9/130969175/nobeginejubawe.pdf
- http://raripavij.learning-detours.com/uploads/1/3/1/3/131381489/bugadam-nujevaxedixi-gigobemu-zukigexirobi.pdf
- https://cdn.shopify.com/s/files/1/0431/1616/7328/files/trophy_garden_platinum.pdf
- https://cdn.shopify.com/s/files/1/0433/8316/0983/files/22933153038.pdf
- https://cdn.shopify.com/s/files/1/0434/9453/9429/files/wildview_extreme_3.pdf
- https://cdn.shopify.com/s/files/1/0440/3780/0086/files/94627640310.pdf
- https://cdn.shopify.com/s/files/1/0432/8731/4590/files/waramovudowas.pdf
- https://cdn.shopify.com/s/files/1/0429/0789/3919/files/black_eyed_pea_salad_nutritional_information.pdf
- https://cdn.shopify.com/s/files/1/0430/5921/6537/files/71037307900.pdf
- https://cdn.shopify.com/s/files/1/0434/2621/8134/files/brownie_first_aid_badge.pdf
- https://cdn.shopify.com/s/files/1/0432/4841/8973/files/tudepaxojurasujeliveg.pdf
- https://cdn.shopify.com/s/files/1/0438/5413/5456/files/gluten_free_diet_foods.pdf
- https://cdn.shopify.com/s/files/1/0430/7383/1072/files/24656483367.pdf
- https://cdn.shopify.com/s/files/1/0437/3754/6917/files/80972167977.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_off00008178.bin3a0c7efe56c4afd1998b9a42a3102fd9c63b84f9d0e10ac7a75ec48306d2df59 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8178 | 5184 bytes |
font_01_sfnt_off0000932b.bin3d778958930a218eb7194a49ce2ba5cc9b0c79673a581fbd3b12fe9e236ba5bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x932B | 10800 bytes |
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