MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious due to a high number of embedded links, many of which are part of a link farm hosted on Shopify. One of these links redirects to a known malicious domain, ttraff.cc. The ML classifier also strongly indicated maliciousness. The document body contains garbled text and metadata indicating it was generated by wkhtmltopdf, suggesting it's not a legitimate document but rather a container for malicious links.
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=spelling%20for%205th%20graders%20worksheets In PDF document text
- http://files.voterodcasey.com/uploads/1/3/0/8/130874122/c2f9b27cfb.pdfIn PDF document text
- http://files.safeumich.com/uploads/1/3/0/9/130969278/xovod_tumosedal.pdfIn PDF document text
- http://files.john3ministries.org/uploads/1/3/0/7/130775171/5969093.pdfIn PDF document text
- http://files.childrensmarketatthemill.com/uploads/1/3/2/6/132682040/bonoripo.pdfIn PDF document text
- http://files.1afan.com/uploads/1/3/1/4/131437834/98f285717de.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2160/6817/files/25527495312.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61259485886.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3152/7575/files/74731655775.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/povumad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97897646990.pdfIn PDF document text
- https://faxotobajej.files.wordpress.com/2020/06/83269684310.pdfIn PDF document text
- https://gozikes.files.wordpress.com/2020/06/zufisativu.pdfIn PDF document text
- https://daxetojip161513793.files.wordpress.com/2020/07/jegikupakukusafuje.pdfIn PDF document text
- https://mukabiri.files.wordpress.com/2020/07/84163329847.pdfIn PDF document text
- https://parobilonez.files.wordpress.com/2020/06/12454934805.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1743/6312/files/57793978027.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2825/0781/files/13445946351.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/16175378270.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3142/8248/files/63158198992.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/15138334831.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8764/2267/files/papalewil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5461/2123/files/balifuvupopevijakokoji.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000775b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x775B | 5476 bytes |
SHA-256: d253752f2073a41250b458203ec4d5a778cc81b6c5f6358811233eadd6a99404 |
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font_01_sfnt_off000089ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89FF | 10208 bytes |
SHA-256: 9851594646e03b72bfc79fdc07c004b9ab075676282cd3643e4c8cd128f997df |
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