MALICIOUS
210
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to redirector infrastructure, specifically pointing to 'ttraff.ru' with a 'balance checkbook excel template' keyword, indicating a phishing or scam lure. The ML classifier strongly flagged this PDF as malicious, and heuristics identified it as a redirector link and a link farm, suggesting an attempt to drive traffic to malicious sites. Although no scripts were extracted, the document body and heuristics indicate a malicious intent to redirect users.
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=balance+checkbook+excel+template In PDF document text
- http://files.ccocciboutique.com/uploads/1/3/0/8/130813314/dutokab.pdfIn PDF document text
- http://lupik.nostalgictreasures.com/uploads/1/3/1/1/131164250/09d3cc84f.pdfIn PDF document text
- http://vewulex.ausneaks.com/uploads/1/3/1/1/131164250/924b14b.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/1/0433/0687/7080/files/vojinanekarab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5848/7703/files/lagometokovizopan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0445/2246/files/vujamorexibexizetugepiwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2312/2077/files/funejuxujudabasilonali.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6535/2093/files/5382488174.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4214/4407/files/6764374695.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9141/7505/files/63144098154.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4061/1226/files/40298484153.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2859/4336/files/tujobemujumet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5959/0806/files/articulaciones_del_hombro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1681/3735/files/dla_form_2500.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4610/0374/files/26424973890.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_off000063c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63C5 | 5220 bytes |
SHA-256: b82f045e7df17b8576e74abb37ae6356d27bfece5bcaa3a65b442a5c74d35f5b |
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font_01_sfnt_off00007557.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7557 | 13728 bytes |
SHA-256: bdb9f9884fe2d6677c86cddc3981148cb7774fd5c4931115a714cb0d48f50209 |
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