MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, with the primary redirector URL being ttraff.ru. This suggests a link farm or SEO manipulation tactic. The document body contains garbled text but also includes the primary malicious URL and several Shopify-hosted PDF links, some of which are confirmed benign while others are unknown. The heuristic firings strongly indicate malicious redirection and a link farm.
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=anexar+pdf+excel In PDF document text
- http://files.mytownmarketer.com/uploads/1/3/0/8/130814297/kafisejesemoji-vajakok.pdfIn PDF document text
- http://kinukive.downingcpa.com/uploads/1/3/2/3/132303374/77ec15d5a.pdfIn PDF document text
- http://files.nickandgraceguy.com/uploads/1/3/0/8/130814258/lepazido.pdfIn PDF document text
- http://files.badgerandfox.co.uk/uploads/1/3/0/8/130813447/zabelirupal.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/1/0431/1816/6167/files/cambios_psicologicos_en_la_adultez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3237/1622/files/soluzobedimazewenawezemo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5083/5876/files/pujariwowobililusoxaxixab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7649/9096/files/acs_organic_chemistry_exam_2016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2473/6678/files/sidez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9209/8716/files/oracle_database_11g_sql_fundamentals_i.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72890356131.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2246/5699/files/21106193609.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8669/9925/files/budget_planner_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9073/8328/files/deep_learning_book_ian_goodfellow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2032/8864/files/61693036343.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6053/5196/files/synonyms_antonyms_dictionary.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2216/3876/files/ganavopawuri.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_off00005df1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DF1 | 5028 bytes |
SHA-256: 557cdc368deae1cc5810ba8b2653195b00d9d64b8fe598b6af0f2f497448fcb8 |
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font_01_sfnt_off00006f21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F21 | 9944 bytes |
SHA-256: ad241ae081d2ed494368866643b5edb06704ca6f5889722edf7e544420b23429 |
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