MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, many of which point to a link farm hosted on Shopify. One critical heuristic identified a direct link to a known malicious redirector, ttraff.com, which is used to obscure the final destination. The document body text, though garbled, contains keywords related to a 'Bentley repair manual' and the malicious URL, suggesting a lure to trick users into clicking the link. 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.com/pify?keyword=bentley+repair+manual
- http://files.uogcbssc.ca/uploads/1/3/0/8/130874324/wugidijiposa-givasamom.pdf
- http://files.blackwatervideo.com/uploads/1/3/1/3/131379525/wokemukinenur-xunep-juxivulawud-vituzegeput.pdf
- http://files.michelsphotos.com/uploads/1/3/0/9/130969819/6647722.pdf
- http://files.bcrowleylaw.com/uploads/1/3/1/8/131871705/misab_rizapow.pdf
- http://files.vocationaleducationwaiahole.com/uploads/1/3/1/4/131410479/9581018.pdf
- https://github.com
- https://github.com'
- https://cdn.shopify.com/s/files/1/0430/6924/3553/files/7804400871.pdf
- https://cdn.shopify.com/s/files/1/0427/9071/5548/files/jujumazivexenunizisuz.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/91146339154.pdf
- https://cdn.shopify.com/s/files/1/0432/2328/5920/files/sexerenogarezutig.pdf
- https://cdn.shopify.com/s/files/1/0429/5265/5002/files/gefegixosuvufipesajulo.pdf
- https://cdn.shopify.com/s/files/1/0433/5727/4270/files/texulu.pdf
- https://cdn.shopify.com/s/files/1/0437/6962/6781/files/vemurebosizafuguw.pdf
- https://cdn.shopify.com/s/files/1/0430/3778/6266/files/pijegepezinusuzapi.pdf
- https://cdn.shopify.com/s/files/1/0434/7238/8249/files/69069130088.pdf
- https://cdn.shopify.com/s/files/1/0432/5359/6322/files/zixan.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_off00006098.binbee739ea5066d2caae99a0c9057676d34864d5a5867276d2a1b0487d56416323 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6098 | 4940 bytes |
font_01_sfnt_off00007157.bin9b1f1d6f553a45cefa8b53a72a03838cf741e796cb2e013631b6bdeee8de23bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7157 | 12036 bytes |
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