MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as 'vinyl sheet flooring installation instructions'. This link is part of a larger link farm, suggesting a phishing or SEO poisoning attempt. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be tricking the user into clicking the malicious URL.
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=vinyl+sheet+flooring+installation+instructions
- http://wonok.jordanpriceart.co.uk/uploads/1/3/1/0/131070161/bajalazovidivi.pdf
- http://files.maimaiglass.com/uploads/1/3/2/8/132815365/786e8542cf7d1c.pdf
- http://lusene.broadreachboatbuilding.com/uploads/1/3/1/4/131408899/zesewizimab_kavebovepisep.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/6712/9504/files/5466997989.pdf
- https://cdn.shopify.com/s/files/1/0429/2296/7207/files/30614063718.pdf
- https://cdn.shopify.com/s/files/1/0430/7881/1810/files/3955606732.pdf
- https://cdn.shopify.com/s/files/1/0432/2561/2450/files/21052372035.pdf
- https://cdn.shopify.com/s/files/1/0429/7113/6154/files/kitolipojej.pdf
- https://cdn.shopify.com/s/files/1/0450/9591/1577/files/brauhaus_hannover_speisekarte.pdf
- https://cdn.shopify.com/s/files/1/0441/3105/7816/files/antergos_i686_iso.pdf
- https://cdn.shopify.com/s/files/1/0438/8959/0427/files/ridadixosezeviwofusatavor.pdf
- https://cdn.shopify.com/s/files/1/0432/3776/9383/files/1-_99_magic_guide_osrs.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008d18.bin561c30ec8eb3383b4e11f4a170da394326dfeb8105859c49b81593c848a26087 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D18 | 5208 bytes |
font_01_sfnt_off00009ed2.binc4e150c00621f0de0ef64743dbc26a860b77d8c45da85c436483f1dc18d7bfff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9ED2 | 11136 bytes |
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