MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a direct link to a known malicious redirector, ttraff.com, which is disguised as a technical document about a 'bobbin case tension guide'. This indicates a lure to redirect the user to malicious infrastructure. The PDF also contains a large number of links to other PDFs hosted on Shopify, suggesting a link farm or SEO poisoning tactic to increase visibility. The ML classifier strongly flagged this PDF as malicious.
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=bobbin+case+tension+guide
- http://babuxin.vintagerhythmandbluesensemble.com/uploads/1/3/1/3/131380263/89ad7c1afdc.pdf
- https://cdn.shopify.com/s/files/1/0438/0524/5597/files/algorithms_and_flowcharts_examples.pdf
- https://cdn.shopify.com/s/files/1/0435/1528/1568/files/17377476885.pdf
- https://cdn.shopify.com/s/files/1/0431/1089/1680/files/mifunuxugawuvitetuguz.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zemivok.pdf
- https://cdn.shopify.com/s/files/1/0433/6232/0536/files/14341318922.pdf
- https://cdn.shopify.com/s/files/1/0437/4380/5591/files/56134905113.pdf
- https://cdn.shopify.com/s/files/1/0438/6573/5328/files/diagnstico_concepto.pdf
- https://cdn.shopify.com/s/files/1/0432/1270/1854/files/lujaxeminisokatamewik.pdf
- https://cdn.shopify.com/s/files/1/0431/7085/7124/files/tusuzofuwidugagunovufiz.pdf
- https://cdn.shopify.com/s/files/1/0430/6052/7265/files/statistical_adjustment_of_data.pdf
- https://cdn.shopify.com/s/files/1/0440/8256/1176/files/riwogudajudajurozolawamek.pdf
- https://cdn.shopify.com/s/files/1/0427/7541/2902/files/jugupudolifamalixovevone.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_off00007712.bin6112fb154e1754123cdf29e75e1feaa6658b403ae6f922108184180139d3b769 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7712 | 5168 bytes |
font_01_sfnt_off000088ac.binb388432f9aecdb2ecc56770b9ea2a5e2ab2329c80a16d1fef2f59f46821815ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88AC | 12832 bytes |
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