MALICIOUS
274
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File
T1059.003 Windows Command Shell
T1204.001 User Execution: Malicious Link
The PDF file contains a link to a known malicious redirector, ttraff.ru, which is used to host further malicious content. The document body, though heavily obfuscated, contains references to commands and URLs consistent with social engineering lures. Heuristics indicate the document attempts to trick the user into executing commands directly via the clipboard or by pasting into a terminal, a technique often seen in ClickFix attacks. The primary malicious IOC is the redirector URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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=emulate+raspberry+pi+mac In PDF document text
- http://files.bughunters.eu/uploads/1/3/2/7/132740435/6391974.pdfIn PDF document text
- http://files.awanatuhealing.co.za/uploads/1/3/0/7/130776592/8d012cbc.pdfIn PDF document text
- http://files.autumntheodorephotography.com/uploads/1/3/1/4/131454482/d2de4ab1010325a.pdfIn PDF document text
- http://files.perthtamilchurch.com/uploads/1/3/1/4/131437535/sevisuduradi.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/1/0433/4642/8072/files/32253977522.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4646/8769/files/83781168847.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3887/4532/files/2568578486.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5249/9095/files/22434326577.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1935/3757/files/vodidetog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4556/0219/files/wupaduwukonetu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2032/8853/files/tigagavonazesul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4772/1882/files/nozovepunaludobelos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3064/2837/files/pebazomujedu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6282/0005/files/40868792366.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9229/6359/files/programmable_logic_controllers_fourth_edition_answer_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0017/4504/files/somisufeto.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006453.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6453 | 5276 bytes |
SHA-256: 8e8a460d08f5426f50c7872c2788757b772a5f28bced65597b78082eda419964 |
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font_01_sfnt_off0000762c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x762C | 1800 bytes |
SHA-256: a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620 |
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font_02_sfnt_off00007eb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EB9 | 10816 bytes |
SHA-256: 225be97a3d38daf66d0de0d4a9ae89e8db71fdc91dbbc17c0b3abe174d5075df |
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