MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service (ttraff.ru) which is flagged as malicious. The document body, though heavily obfuscated, contains URLs that are part of a link farm, suggesting an attempt to manipulate search engine results or lure users to malicious content. The 'Remote-support tool lure' heuristic indicates the document may also attempt to trick users into installing remote access software.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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=the+babysitters+club+book+1+pdf In PDF document text
- http://finoj.lifetimeepoxyfloors.com/uploads/1/3/1/4/131452821/80194868.pdfIn PDF document text
- http://files.mrsklauesclass.com/uploads/1/3/1/1/131164358/lujiwaretofexag.pdfIn PDF document text
- http://files.pragueguidebooks.com/uploads/1/3/2/6/132681632/4e65907699c.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/1/0432/5651/2676/files/53825369751.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2771/6520/files/today_ap_sakshi_news_paper_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7812/3680/files/bawotolinadonuwanaduxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7922/8837/files/22240067419.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2524/4053/files/sozesusipejoro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3848/2332/files/giboxig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1673/2315/files/95383383191.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3264/9636/files/gejilukepezoziju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6656/4503/files/wunekijinipifogudodav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dagezaluvonanapukinuwit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1438/8888/files/56242059593.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3728/6815/files/ges_mathematics_syllabus_for_jhs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0253/5840/files/39352553599.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000631d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x631D | 5548 bytes |
SHA-256: ee8fb13cc9555463d62d5b24513dc838e476972f8027d57e6bb0d880c3ba4141 |
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font_01_sfnt_off000075fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75FB | 10148 bytes |
SHA-256: f611d5c42bd9bbf0a3aeb63055c8de847a2d50c548115300d6672f02a188342a |
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