MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links that lead to a redirector hosted on 'ttraff.ru', which is flagged as malicious. The document body, though heavily obfuscated, contains text suggesting a lure related to '5 star hotel brochure design pdf'. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to distribute malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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.ru/pify?keyword=5+star+hotel+brochure+design+pdf
- http://files.camphillvillage5k.org/uploads/1/3/1/4/131407823/defawaralejovokaje.pdf
- http://files.flowphoto-tahoe.com/uploads/1/3/2/3/132302941/fogalunomitax.pdf
- http://files.champsfleuris.com/uploads/1/3/1/4/131453056/divujinananir.pdf
- https://cdn.shopify.com/s/files/1/0435/7108/5475/files/10492856100.pdf
- https://cdn.shopify.com/s/files/1/0432/3206/7739/files/zopiwirepubaxal.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49726552648.pdf
- https://cdn.shopify.com/s/files/1/0437/0546/7035/files/88205637219.pdf
- https://cdn.shopify.com/s/files/1/0430/7949/9940/files/gukivajedexituna.pdf
- https://cdn.shopify.com/s/files/1/0434/4286/4289/files/xebefefenowusodeto.pdf
- https://cdn.shopify.com/s/files/1/0429/1536/5031/files/jelakulabugogave.pdf
- https://cdn.shopify.com/s/files/1/0432/9901/2766/files/adobe_editor_apk.pdf
- https://cdn.shopify.com/s/files/1/0434/0049/5260/files/57778531108.pdf
- https://cdn.shopify.com/s/files/1/0437/3826/7809/files/vadilulerekifaviwip.pdf
- https://cdn.shopify.com/s/files/1/0430/8631/5682/files/60986813971.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_off00006634.bin6413898fd1a266cffc15ab8764822627eb7abc4c33df59ac629b8bea4f0d96bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6634 | 5584 bytes |
font_01_sfnt_off00007925.bin5cd976600e5d269c770f9dad2bf9342cfe531152769d100bb61a437b1a2f306f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7925 | 10152 bytes |
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