MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to what appears to be a link farm designed to generate SEO traffic. One prominent link, 'https://ttraff.ru/pify?keyword=adjetivos+en+frances+pdf', is identified as a malicious redirector. The document body, though heavily corrupted, contains fragments suggesting it is a PDF related to French adjectives, likely a lure to encourage clicks on the malicious links.
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=adjetivos+en+frances+pdf
- http://files.thebestenglish4you.com/uploads/1/3/2/8/132815318/rudogugi.pdf
- http://takok.healthylifecentreedinburgh.com/uploads/1/3/1/3/131379578/0bfcd5ce4a.pdf
- http://files.kidstopinc.com/uploads/1/3/1/4/131453998/45d973b32.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/6303/3502/files/18330399517.pdf
- https://cdn.shopify.com/s/files/1/0434/5525/0598/files/boluwibunuziwexafos.pdf
- https://cdn.shopify.com/s/files/1/0429/7129/9999/files/banach_spaces_of_analytic_functions_hoffman.pdf
- https://cdn.shopify.com/s/files/1/0435/4061/1226/files/45296045061.pdf
- https://cdn.shopify.com/s/files/1/0435/7423/1199/files/jquery_validation_email_address.pdf
- https://cdn.shopify.com/s/files/1/0432/4818/9603/files/bacteriophage_proteins.pdf
- https://cdn.shopify.com/s/files/1/0435/0525/4566/files/vifovizubodedirixow.pdf
- https://cdn.shopify.com/s/files/1/0430/3316/5986/files/rusopub.pdf
- https://cdn.shopify.com/s/files/1/0435/2956/8408/files/star_trek_episode_ranking.pdf
- https://cdn.shopify.com/s/files/1/0433/6893/9672/files/40875681914.pdf
- https://cdn.shopify.com/s/files/1/0432/8010/5630/files/76233768899.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_off00005f8a.binc2fc89bbae4416a601917f414baee6dfaf1fb17f497dab5c58fb0b9892241aee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F8A | 5240 bytes |
font_01_sfnt_off0000717f.bin737cfba0f77b6b0a186277fa18a831646649b7574f96a5727c6ebb791d3a2a8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x717F | 11020 bytes |
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