MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous embedded links, many of which point to a link farm designed to manipulate search engine results. One prominent URL, https://ttraff.ru/pify?keyword=finding+percentages+worksheet+tes, is identified as a malicious redirector. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent. The document body, though heavily obfuscated, contains references to worksheets and URLs, suggesting a social engineering lure.
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=finding+percentages+worksheet+tes
- http://pesitugu.raagnew.com/uploads/1/3/0/7/130776321/61f52e97ecc9d32.pdf
- http://luxugame.tranbcreative.com/uploads/1/3/1/3/131383544/6348880.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/5310/4790/files/checkbox_in_google_sheets.pdf
- https://cdn.shopify.com/s/files/1/0433/1352/8987/files/basic_agility_ladder_drills.pdf
- https://cdn.shopify.com/s/files/1/0432/3193/6674/files/jebikalufireritef.pdf
- https://cdn.shopify.com/s/files/1/0432/1171/8820/files/5310166302.pdf
- https://cdn.shopify.com/s/files/1/0430/2117/2897/files/android_7._1_software_apk.pdf
- https://cdn.shopify.com/s/files/1/0445/9456/1188/files/xasetulemimafosiziludigom.pdf
- https://cdn.shopify.com/s/files/1/0428/1715/9335/files/46033026583.pdf
- https://cdn.shopify.com/s/files/1/0431/8789/6488/files/78566730746.pdf
- https://cdn.shopify.com/s/files/1/0428/3426/4220/files/convert_to_word_acrobat_pro.pdf
- https://cdn.shopify.com/s/files/1/0432/0185/5646/files/bawugusugijixido.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_off000077fe.bin778bc5de6c2de5aa1e8b8d044a8003651ef0a851b6ddcd694044b16a28761271 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77FE | 5416 bytes |
font_01_sfnt_off00008a72.bin8c3576e29d7dc7c380f2d3a80e72c1d16b47942bedae6d20e0904373ba8135e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A72 | 10192 bytes |
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