MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a link to a known malicious redirector, ttraff.ru, which is likely used to host phishing or scam content. The document body, though obfuscated, contains the text "Authentication problem android phone" and a URL that aligns with the malicious redirector. The presence of numerous other links to Shopify-hosted PDFs suggests a link farm or SEO manipulation tactic to increase visibility and traffic to the malicious URL.
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=authentication+problem+android+phone
- http://files.autisticadults.com/uploads/1/3/1/6/131637043/sizonokemademu.pdf
- http://dosigudit.mys4.org/uploads/1/3/0/7/130776525/8c8916f92630be.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/6248/4383/files/27192316602.pdf
- https://cdn.shopify.com/s/files/1/0431/0201/1548/files/past_simple_regular_verbs_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0438/1795/9586/files/5000_frases_en_ingles.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fejekav.pdf
- https://cdn.shopify.com/s/files/1/0429/3964/6108/files/good_discord_server_rules.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/97046042130.pdf
- https://cdn.shopify.com/s/files/1/0431/3012/6490/files/automatic_identification_methods.pdf
- https://cdn.shopify.com/s/files/1/0430/3133/0969/files/58607442842.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/11067845032.pdf
- https://cdn.shopify.com/s/files/1/0434/6331/1513/files/alone_movie_video_song_hd.pdf
- https://cdn.shopify.com/s/files/1/0437/7211/7141/files/62459073484.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_off0000686a.binadf08b637e510c4ca3c376261bda56c7f6b0cb6527607de40b6d99576829b2f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x686A | 5264 bytes |
font_01_sfnt_off00007a0d.bin729c41a676ac2e2d2c2004d1ffd8543602786cdaa8126870c0d774769797d9d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A0D | 10880 bytes |
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