MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document contains a link to a known malicious redirector, ttraff.ru, which is likely used to funnel victims to further malicious content. The document also exhibits characteristics of a PDF link farm, with numerous embedded links to other PDFs, suggesting a coordinated effort to distribute malicious content or engage in SEO manipulation for malicious purposes. The ML classifier strongly indicated maliciousness, supporting the heuristic findings.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=merge+dragons+easter+event
- http://kizokol.bryantcyr.com/uploads/1/3/0/8/130813528/4209fff15f.pdf
- http://files.boonieandco.com.au/uploads/1/3/1/8/131871714/kuduxugip.pdf
- http://files.artbyjonmcgaa.com/uploads/1/3/0/7/130775497/nawigabomitaz-kazedozonake.pdf
- http://nowawik.richardeinerson.com/uploads/1/3/0/8/130873826/vimoviro-vetulivivov.pdf
- http://files.jeffreycobb.com/uploads/1/3/1/8/131856547/ligiwowumoze-wovowebozuku-tamifiriwavi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/5698/8317/files/wuxuf.pdf
- https://cdn.shopify.com/s/files/1/0429/9502/4023/files/tiwipivafelazafunelij.pdf
- https://cdn.shopify.com/s/files/1/0428/7247/1715/files/munisamekan.pdf
- https://cdn.shopify.com/s/files/1/0440/5159/5429/files/70136070402.pdf
- https://cdn.shopify.com/s/files/1/0462/7274/1533/files/jowemizelilulovotewe.pdf
- https://cdn.shopify.com/s/files/1/0430/9378/6791/files/64709944491.pdf
- https://cdn.shopify.com/s/files/1/0431/8353/8331/files/buruw.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/60868594071.pdf
- https://cdn.shopify.com/s/files/1/0427/8665/2316/files/sumojuguruzi.pdf
- https://cdn.shopify.com/s/files/1/0440/3652/2149/files/4chan_nsfw_gif.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006168.bina8c1c9e84a1fda2bac7c7e005f882ccbcca409f09242cc1bff12e7e6935d836a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6168 | 5028 bytes |
font_01_sfnt_off000072a1.bin5ea79337afac6853344eeba44cdcb6aba6d66806c7d8640e60a604d4260bd947 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72A1 | 10400 bytes |
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