MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised as a "Curtis air compressor manual". The ML classifier strongly indicated maliciousness. The document body and embedded links point to a link farm designed to redirect users to malicious infrastructure, specifically the URL https://ttraff.ru/pify?keyword=curtis+air+compressor+manual. No scripts were extracted from this sample.
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=curtis+air+compressor+manual
- http://files.lenaseikaly.com/uploads/1/3/2/8/132814990/mutezagurebofug_fupanap_rugobowogu.pdf
- http://files.elegance-dessert-bar.com/uploads/1/3/1/6/131636655/183cacfff3.pdf
- http://files.hisaxfnd.org/uploads/1/3/1/4/131453494/zupavivulitinuxavi.pdf
- http://files.diamondjleatheroftexas.com/uploads/1/3/2/3/132303261/tosibemugem.pdf
- http://files.mmtaxilimo.com/uploads/1/3/2/3/132302833/wojukimize-sagiduke-datugali.pdf
- https://cdn.shopify.com/s/files/1/0436/5549/5833/files/42368705362.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50878135704.pdf
- https://cdn.shopify.com/s/files/1/0429/7634/6266/files/73761964131.pdf
- https://cdn.shopify.com/s/files/1/0433/7244/5846/files/felaje.pdf
- https://cdn.shopify.com/s/files/1/0431/0863/0681/files/67197618860.pdf
- https://cdn.shopify.com/s/files/1/0427/9848/1564/files/pujenerenekibifi.pdf
- https://cdn.shopify.com/s/files/1/0433/8358/6977/files/pupumajiredizanebili.pdf
- https://cdn.shopify.com/s/files/1/0438/7468/0987/files/18859551854.pdf
- https://cdn.shopify.com/s/files/1/0438/2654/4802/files/famonetubebinu.pdf
- https://cdn.shopify.com/s/files/1/0445/4796/5087/files/reiki_master_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/7197/9172/files/4282758544.pdf
- https://cdn.shopify.com/s/files/1/0429/9613/8137/files/boket.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000064f2.bind3caf364aadb1b197d25b5a7518f6495391925a1ecee3df97a01a1ef94531015 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64F2 | 4984 bytes |
font_01_sfnt_off000075c9.bin169f16407e4597ec61a1c9959bfaa96b1495f59aef109447ef67c576fe22aaeb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75C9 | 10048 bytes |
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