MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on various domains. One of the primary links, 'https://ttraff.cc/wb?keyword=brother%20printer%20only%20prints%20manual%20feed', is identified as a malicious redirector. The presence of a link farm and a malicious redirector suggests a social engineering attack aimed at directing users to potentially harmful content. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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/wb?keyword=brother%20printer%20only%20prints%20manual%20feed In PDF document text
- http://baruxidup.doeverythingwithgrace.com/uploads/1/3/0/9/130969352/dea2e4406fa40.pdfIn PDF document text
- http://files.tasmanianpioneers.com/uploads/1/3/1/4/131411596/a46df5.pdfIn PDF document text
- http://files.chefenrick.com/uploads/1/3/0/8/130814716/tisexabepirugazizami.pdfIn PDF document text
- http://files.thewholechildmatters.com/uploads/1/3/0/7/130775588/tejemirogeva.pdfIn PDF document text
- http://files.kingdomhandymangillette.com/uploads/1/3/1/4/131453124/cdaff080253f213.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0434/2710/2887/files/o_reilly_introduction_to_machine_learning_with_python.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2868/3674/files/8659450999.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2391/7478/files/pixotatoxofigibiripibi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2756/1634/files/cambridge_english_for_business.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6302/4542/files/ipl_schedule_2018.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5969/2198/files/52984108801.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2823/3883/files/singer_sewing_machine_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0163/3177/files/fuwofapowatezejakanab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4863/8363/files/nobexogafomujowafajigip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5645/6095/files/58055882559.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2544/9628/files/tawawujugapixomuxusa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4680/5404/files/28932764349.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8494/8380/files/67533754717.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000063e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63E9 | 5312 bytes |
SHA-256: 484749ecebe1cce944ce5a136b8ea907d9f0d61e829d811240241ee3671cbffc |
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font_01_sfnt_off000075c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75C9 | 9956 bytes |
SHA-256: 262d31f054106863a02b71120ef0efb92866a783141835f6d907ff58a20e5d16 |
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font_02_sfnt_off000097ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97CE | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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