MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links designed to appear as legitimate downloads, but they redirect to a malicious domain (ttraff.com) known for distributing malware. The document body is heavily obfuscated, but the heuristics indicate a link farm and redirector strategy, likely to phish for credentials or deliver a secondary payload. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
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.com/pify?keyword=transient+conduction+heat+transfer+pdf In PDF document text
- http://files.nisha-alberti.com/uploads/1/3/1/6/131637168/rugesafef-sagemif-jevixukubugisij-xusogoturo.pdfIn PDF document text
- http://files.nightowldesignsandvinylsupplies.com/uploads/1/3/2/8/132816042/bejugamo.pdfIn PDF document text
- http://files.electaylin.com/uploads/1/3/2/7/132740320/8322645.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/1/0428/3265/8588/files/91460360057.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6083/9079/files/35819234836.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/24810932871.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8901/1612/files/jilapalamegigopexesukulag.pdfIn PDF document text
- https://jerurig.files.wordpress.com/2020/06/biroduzelosusigubajub.pdfIn PDF document text
- https://rotapofex.files.wordpress.com/2020/07/rotuvu.pdfIn PDF document text
- https://wamikuxun.files.wordpress.com/2020/06/digetipiwunowige.pdfIn PDF document text
- https://natazilanufa.files.wordpress.com/2020/07/30107645859.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kirojaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8245/7000/files/16656951113.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1800/2340/files/86287643547.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/21617342462.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3803/1518/files/8290778449.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/9284441163.pdf?v=1594212706In PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mukevomisuso.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_off0000b60c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB60C | 5040 bytes |
SHA-256: 6b3be892f3e9e262b4b4946716cb49838e54a5e90f3ebcbc472a47a43b7d544f |
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font_01_sfnt_off0000c71a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC71A | 13660 bytes |
SHA-256: aff045554abae944748319c543ce7bce9c4fd6d54b311f64d542034fb8138e61 |
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font_02_sfnt_off0000f2fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2FA | 16224 bytes |
SHA-256: c0601303e089079b680ce3fb180a983f7cebefe812fad483186ddf7647d1db81 |
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