MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous external links, many pointing to Shopify domains hosting PDF files. One critical heuristic identified a link to a known malicious redirector at 'ttraff.com', which likely serves as the initial lure. The ML classifier strongly supports the malicious nature of this PDF. The presence of a link farm and a malicious redirector suggests the document's purpose is to lead users to malicious content, potentially for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=prentice+hall+literature+pdf
- http://files.fbchurch.ca/uploads/1/3/1/4/131483830/870f3564c7892.pdf
- http://files.eam-studio.com/uploads/1/3/1/4/131452902/2306952.pdf
- http://files.projecteva.org/uploads/1/3/2/7/132740185/sufiduzevovezamogot.pdf
- http://files.swtradingcompany.com/uploads/1/3/0/7/130775537/a58ed09f09d0df.pdf
- https://cdn.shopify.com/s/files/1/0437/9194/1781/files/robert_half_timesheets.pdf
- https://cdn.shopify.com/s/files/1/0433/0602/5128/files/levejaz.pdf
- https://cdn.shopify.com/s/files/1/0431/6761/3090/files/disexewut.pdf
- https://cdn.shopify.com/s/files/1/0428/6359/1583/files/devuxovepowu.pdf
- https://cdn.shopify.com/s/files/1/0430/5901/9933/files/8417785040.pdf
- https://cdn.shopify.com/s/files/1/0431/9074/7295/files/megizafewiwesane.pdf
- https://cdn.shopify.com/s/files/1/0437/8319/2738/files/elementary_number_theory_burton.pdf
- https://cdn.shopify.com/s/files/1/0434/1760/0152/files/nividivajenikurefile.pdf
- https://cdn.shopify.com/s/files/1/0433/6209/1163/files/jekaxusejakuxi.pdf
- https://cdn.shopify.com/s/files/1/0428/7086/6076/files/xegigopajodegunawabakoze.pdf
- https://cdn.shopify.com/s/files/1/0433/0091/3310/files/tuvix.pdf
- https://cdn.shopify.com/s/files/1/0444/5110/2887/files/cub_cadet_1000_series.pdf
- https://cdn.shopify.com/s/files/1/0428/5608/7708/files/jebapamurinodepimuli.pdf
- https://cdn.shopify.com/s/files/1/0428/4334/0956/files/86146234406.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000047ea.bincae16865011e6f85010d7a5064ca94ad10db50046bb4f41827d05c424650146d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x47EA | 4840 bytes |
font_01_sfnt_off00005844.bina79b62711c8c2bfa7386ac017d91c0f00af8aea0295d28be4854e4e877a0b050 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5844 | 9956 bytes |
font_02_sfnt_off00007a68.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A68 | 4324 bytes |
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