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 'ttraff.com'. The document body, though partially corrupted, includes the same URL and references 'anticonvulsivantes pdf', suggesting a lure. The PDF also contains a large number of embedded links to Shopify domains, likely part of a link farm to improve search engine ranking for malicious content. No scripts were extracted, but the primary attack vector appears to be social engineering via a deceptive document.
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=mecanismo+de+a%25C3%25A7%25C3%25A3o+dos+anticonvulsivantes+pdf In PDF document text
- http://files.fcssummerreading.org/uploads/1/3/1/8/131856212/acc6efcc53.pdfIn PDF document text
- http://files.mikepozzi.net/uploads/1/3/1/4/131453522/liladepevotef.pdfIn PDF document text
- http://files.celiadrummond.net/uploads/1/3/1/3/131379578/7318ec5d477.pdfIn PDF document text
- http://files.stonecutterswsq.com/uploads/1/3/1/4/131408100/begetimapenez-xonerola-madasexigig.pdfIn PDF document text
- http://files.cooksriversustainability.org/uploads/1/3/1/8/131871633/4294756.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/1/0429/7618/2426/files/850940219.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9923/5228/files/6095511925.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3144/5156/files/midetorisameruzuvak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3410/8323/files/49027326905.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4765/6351/files/julajefab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4032/4256/files/18688825438.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8627/4977/files/basics_of_networking_and_communication.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6662/9032/files/as_11_icai_revised.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73768917897.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7805/0201/files/92129565725.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9866/9220/files/68357421793.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0692/6741/files/30959980054.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6616/2341/files/64084875952.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn 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_off0000649b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x649B | 6416 bytes |
SHA-256: 4103f12eb2d3fd5ce81f4dfd6de156bb127b7b020113f77f3e4d9c5a57060399 |
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font_01_sfnt_off00007466.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7466 | 5768 bytes |
SHA-256: d1fab30cff3bf817bd27516ef5522c44a29dfac4fec3c0045da40c3b87670b5c |
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font_02_sfnt_off00008730.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8730 | 12936 bytes |
SHA-256: 405b6eaa40099ac36ff324760cdb46a9a4e04d7f71f656d721490e8988373fce |
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