MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely used to obscure the final destination of the malicious payload. The document also contains a large number of external PDF links, many pointing to Shopify domains, suggesting a link farm or SEO manipulation tactic to increase visibility. The ML classifier strongly indicated maliciousness.
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.cc/pify?keyword=reading+comprehension+passages+pdf+5
- http://files.marymartinharper.com/uploads/1/3/2/7/132741535/mixatojakatofer_jajodisa_vawokibexusef.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/8784/5790/files/grass_cutting_contract_template.pdf
- https://cdn.shopify.com/s/files/1/0451/3490/5498/files/java_programming_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0431/8468/5224/files/bhai_bhai_garba_song_pagalworld.pdf
- https://cdn.shopify.com/s/files/1/0435/2717/6344/files/punevumekefefarug.pdf
- https://cdn.shopify.com/s/files/1/0430/1353/7951/files/95950911286.pdf
- https://cdn.shopify.com/s/files/1/0438/1209/4109/files/91237031431.pdf
- https://cdn.shopify.com/s/files/1/0429/6946/4991/files/vopanefobizidubobo.pdf
- https://cdn.shopify.com/s/files/1/0435/5942/0063/files/dakozokodawegozuxetes.pdf
- https://cdn.shopify.com/s/files/1/0432/9462/1862/files/zadedudebinug.pdf
- https://cdn.shopify.com/s/files/1/0434/0636/0725/files/remimibor.pdf
- https://cdn.shopify.com/s/files/1/0433/9807/0426/files/php_display_image.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_off000093a0.bin86acff03afc667ab72311c76f38c86b398d742480fb0026551c53bc2b86f2a89 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93A0 | 5668 bytes |
font_01_sfnt_off0000a6bb.bin346921585e30ba584418f849f7decd1f3587abed0b3f6cfbcc1a6642e8d1ea58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA6BB | 10408 bytes |
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