MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, pointing to a URL that is part of a link farm designed to manipulate search engine results. The document body, though heavily obfuscated, contains text related to graphing functions and the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier also strongly flagged this PDF as malicious.
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.com/pify?keyword=graphing+absolute+value+functions+worksheet+pdf+answers
- http://files.barneyspumps.com/uploads/1/3/2/3/132302940/8842740.pdf
- http://files.canaanchristianministries.co.uk/uploads/1/3/2/8/132814030/juxenosopanube.pdf
- http://files.wviolin.com/uploads/1/3/1/8/131871852/xerizumaruri.pdf
- http://files.fauxmesticgoddess.com/uploads/1/3/1/8/131856381/gevaxil.pdf
- https://cdn.shopify.com/s/files/1/0431/5312/9640/files/nijusomomanesemirube.pdf
- https://cdn.shopify.com/s/files/1/0429/5216/3482/files/49145640892.pdf
- https://cdn.shopify.com/s/files/1/0435/8638/8123/files/0._as_a_fraction.pdf
- https://cdn.shopify.com/s/files/1/0429/3967/8886/files/46330133135.pdf
- https://cdn.shopify.com/s/files/1/0434/2205/6600/files/tapetitamaluguvozadod.pdf
- https://cdn.shopify.com/s/files/1/0432/3534/4539/files/wemigubub.pdf
- https://cdn.shopify.com/s/files/1/0434/8575/7606/files/wozofibumejajaval.pdf
- https://cdn.shopify.com/s/files/1/0429/8702/8641/files/73698029704.pdf
- https://cdn.shopify.com/s/files/1/0431/5516/1252/files/viwajokavizujasoj.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71409998288.pdf
- https://cdn.shopify.com/s/files/1/0430/2536/7193/files/24903161362.pdf
- https://cdn.shopify.com/s/files/1/0437/5353/7685/files/cch_tch_trang_online.pdf
- https://cdn.shopify.com/s/files/1/0446/5816/3865/files/edit_text_acrobat_9.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_off00005078.bin3f0c0ea66dc0d0def0b8453c60d64505badd35d844ff191eec8d4b919f0106fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5078 | 5804 bytes |
font_01_sfnt_off00006447.binb7268a783859e6b9be2acb18e1ba61a147c517a1326796c55317bd644d75d559 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6447 | 9668 bytes |
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