MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with one URL specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=go+math+grade+7+textbook+answers', which is likely intended to lure the user to a malicious site. The ML classifier strongly supports the malicious nature of this PDF.
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=go+math+grade+7+textbook+answers
- http://files.twocarpentersconstruction.com/uploads/1/3/0/8/130873895/xuvodobisedozu.pdf
- http://files.anticamodern.com/uploads/1/3/0/8/130814601/88e0183ee.pdf
- http://files.jamesgrigg.com/uploads/1/3/0/7/130739490/8645743.pdf
- http://files.victoria13gla.ca/uploads/1/3/1/0/131070722/4c117c.pdf
- https://cdn.shopify.com/s/files/1/0449/8161/6808/files/armenian_power_spell.pdf
- https://cdn.shopify.com/s/files/1/0433/6133/7494/files/7168365079.pdf
- https://cdn.shopify.com/s/files/1/0434/1222/6200/files/tidudosifisitudaloxe.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96226605796.pdf
- https://cdn.shopify.com/s/files/1/0429/9954/6010/files/android_assets_file_write.pdf
- https://cdn.shopify.com/s/files/1/0430/4030/9402/files/sunorimemuzafas.pdf
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/kijowedanedatesubugube.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/muzoguganava.pdf
- https://cdn.shopify.com/s/files/1/0438/6376/9243/files/tosopokikakujurolugan.pdf
- https://cdn.shopify.com/s/files/1/0435/7698/3713/files/kuxoritifeweluzujememo.pdf
- https://cdn.shopify.com/s/files/1/0433/1474/1413/files/balunga_toka_film_all_song.pdf
- https://cdn.shopify.com/s/files/1/0437/6847/9906/files/guladojokurulisanaj.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_off00004540.bin9a08e7e840ac439c6bc321549a309133ffa6add0b6345726cd5e02c1bc5acdf1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4540 | 5684 bytes |
font_01_sfnt_off00005890.bin43727ed726d94576beaa3285186308bca687427f49b9f3cd481b2a6efbef72ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5890 | 10060 bytes |
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