MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was identified as malicious by ClamAV and an ML classifier, and it contains a critical heuristic firing for a malicious redirector link. The link points to 'ttraff.com', which is likely used to redirect users to a malicious site. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs. The presence of a malicious redirector indicates a phishing or social engineering attempt to lead the user to a harmful destination.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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ClamAV: Pdf.Dropper.Agent-9527663-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Dropper.Agent-9527663-0
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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/wb?keyword=eugene%20hecht%20optics%205th%20edition%20pdf In PDF document text
- http://files.zaitoldme.com/uploads/1/3/1/0/131070938/d799ddf32.pdfIn PDF document text
- http://files.norforkschools.org/uploads/1/3/2/7/132740564/c56fd03.pdfIn PDF document text
- http://files.hisandherhome.ca/uploads/1/3/0/8/130874680/4279873.pdfIn PDF document text
- http://files.ji396.org/uploads/1/3/1/4/131437380/lasutef.pdfIn PDF document text
- http://files.thepetrospective.com/uploads/1/3/0/7/130775195/gozubogufagepo.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/1/0437/9744/6816/files/35267498606.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/36149341097.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2340/8032/files/82427923383.pdfIn PDF document text
- https://ganesesuf.files.wordpress.com/2020/06/zajorenipuditavekugipel.pdfIn PDF document text
- https://pamifanasote.files.wordpress.com/2020/07/mozalox.pdfIn PDF document text
- https://lezidonopo.files.wordpress.com/2020/06/doduneluratexetapewi.pdfIn PDF document text
- https://lewatoxejak80521205.files.wordpress.com/2020/07/13982900668.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7318/3643/files/tuwudawiza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8548/8543/files/44435685026.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6971/8182/files/5842387527.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5216/3482/files/1053992592.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0062/6341/files/nezokif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0820/4701/files/kepedagijagaganeziwoxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0568/9504/files/takibiwofenuvobiwi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/zogofaguvegujovowo.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_off00006d93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D93 | 5040 bytes |
SHA-256: 637c35326aa6dd6a90763802eb2304756b98f107416020f1204ebd7d854c4f1d |
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font_01_sfnt_off00007ec2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EC2 | 10564 bytes |
SHA-256: d6dcd79aa541e2928ef49f2a5c5b7f5a0cbf25c89e07f94ada4d0b30884862cb |
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