MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=costco+charisma+twin+sheets'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted, but the presence of a malicious redirector URL indicates an attempt to lure the user to a harmful site.
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.ru/pify?keyword=costco+charisma+twin+sheets In PDF document text
- http://files.khalillezzaik.com/uploads/1/3/1/4/131453170/pilukipogi.pdfIn PDF document text
- http://files.dehrtocare.ca/uploads/1/3/0/8/130814633/xokonugan_pinaxufufaxiwa_fanajimax_bafug.pdfIn PDF document text
- http://files.jllongbooks.com/uploads/1/3/0/7/130739525/pubuvo-gikogiwe-kamerikasoge-lukipomefeludi.pdfIn PDF document text
- http://files.nightingaleledsolutions.com/uploads/1/3/1/3/131379928/9d6eda7d12a8640.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/1/0454/3473/2712/files/wepufozulizalofuninitemod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1922/2687/files/sql_query_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4877/2519/files/91048799747.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6897/1421/files/tadawarezawovowav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1161/2572/files/45693315540.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6377/1293/files/calendar_problems_aptitude.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0355/8564/files/52852876209.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2476/9436/files/xusamilenugekedavogabu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4288/2215/files/chevy_tahoe_repair_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/2108/6365/files/mozabu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5835/6639/files/33636922058.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004ee4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4EE4 | 5004 bytes |
SHA-256: 1882f3f994732505b68e572b95b9d6eaba8600b11f0de35e0f251f9c029d9a28 |
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font_01_sfnt_off00005fd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FD2 | 10340 bytes |
SHA-256: f4b873a0dd536785ac416348606fc7ddad455f9a505fbe0656cccf9d2c4ee348 |
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font_02_sfnt_off00008351.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8351 | 16312 bytes |
SHA-256: bf8f9ece8d9d74ce2d7a98a07ee1bb8f4056faf702b3b1702118181e85f1b939 |
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