MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, with one identified as a known malicious redirector. The heuristic firings indicate a PDF link farm, suggesting the document's primary purpose is to direct users to external, potentially malicious, resources. 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=different+forms+of+communication+worksheet
- http://files.miguel-castro.com/uploads/1/3/1/6/131606343/d3b8effd00.pdf
- http://files.karnseverson.com/uploads/1/3/0/8/130874064/wefumez.pdf
- http://lotesolu.kira-marie-mccullough.com/uploads/1/3/1/0/131070872/d47232fa8a8.pdf
- http://padurotut.incubator143.org/uploads/1/3/1/3/131379394/4068087.pdf
- https://cdn.shopify.com/s/files/1/0430/4555/2290/files/rimesenulom.pdf
- https://cdn.shopify.com/s/files/1/0429/7926/2615/files/dapebawajidevavedozinujum.pdf
- https://cdn.shopify.com/s/files/1/0436/4517/3910/files/lichen_amyloidosis.pdf
- https://cdn.shopify.com/s/files/1/0454/6166/7992/files/70540360105.pdf
- https://cdn.shopify.com/s/files/1/0432/1896/0541/files/bezexevuzaxokewuduwiki.pdf
- https://cdn.shopify.com/s/files/1/0457/3397/0086/files/dragon_naturally_speaking_commands_cheat_sheet.pdf
- https://cdn.shopify.com/s/files/1/0434/6295/1074/files/puroge.pdf
- https://cdn.shopify.com/s/files/1/0462/6645/0074/files/dj_dance_video_hd.pdf
- https://cdn.shopify.com/s/files/1/0431/0636/9697/files/diploid_vs_haploid_chromosomes_worksheet_answers.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_off00005d53.bined6673b38bce85f9ef2b01bd3e1c5ca098909197920b818d268c137d68f7e679 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D53 | 5244 bytes |
font_01_sfnt_off00006f19.bin5cb011803fd8048b7b330d677254314f1f3ce2da442fb6c82070857bced95513 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F19 | 10296 bytes |
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