MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, a significant portion of which point to a link farm hosted on Shopify. One critical heuristic indicates a malicious redirector link to 'ttraff.cc', suggesting a phishing or malware distribution attempt. The ML classifier strongly supports the malicious nature of this PDF. The document body, though heavily obfuscated, contains metadata related to 'wkhtmltopdf' and a book title lure.
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=aghora+2+book+pdf
- http://files.yukonriverdesigns.com/uploads/1/3/1/1/131163705/e9535.pdf
- http://files.readymum.com/uploads/1/3/2/3/132302999/vikemejutiworuse.pdf
- http://files.bitcoinfuturesguide.com/uploads/1/3/1/3/131397987/bavobezurevojo.pdf
- http://files.kasakesari.com/uploads/1/3/0/7/130739143/8366599.pdf
- http://files.achinabuffet.com/uploads/1/3/2/3/132303009/4667293.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kawovuk.pdf
- https://cdn.shopify.com/s/files/1/0437/9072/9377/files/kebalufitanikezasumun.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/budexojimomamuzarumedi.pdf
- https://cdn.shopify.com/s/files/1/0430/4053/8773/files/31505722563.pdf
- https://cdn.shopify.com/s/files/1/0432/6011/7160/files/37251457660.pdf
- https://cdn.shopify.com/s/files/1/0433/4842/6910/files/22433854580.pdf
- https://cdn.shopify.com/s/files/1/0434/3998/0711/files/bipuxisalogisarafid.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/23582012054.pdf
- https://cdn.shopify.com/s/files/1/0431/6938/2568/files/19952333266.pdf
- https://cdn.shopify.com/s/files/1/0435/7803/2296/files/13640449104.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/
- https://cdn.shopify.com/s/files
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007298.binb534ad6fffe3f55fc8b228edf827b256fc99fb50a4b15fc31fe216957ce1203d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7298 | 4856 bytes |
font_01_sfnt_off0000831e.bin9103df4a19dc576a844ae5f4a83532a8147561511863ec6250a8ce42b923d4f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x831E | 10196 bytes |
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