MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The ML classifier strongly indicated maliciousness. The document body, though heavily obfuscated, contains URLs that are likely part of a link farm designed to distribute malicious content or phish for information. The presence of multiple shopify.com and other sub-domain hosted PDFs suggests a coordinated effort to host malicious content.
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=essential+oil+diffuser+oil+guide
- http://files.hinsdalesouthband.com/uploads/1/3/1/4/131483719/ravesowu.pdf
- http://supotapap.caitweiss.com/uploads/1/3/2/8/132814930/77724fae20db4.pdf
- http://jirak.pensionplanningsolutions.com/uploads/1/3/1/4/131409508/8e77eb348.pdf
- http://files.nickgatesart.com/uploads/1/3/1/8/131858044/tisuratisoke.pdf
- http://zokudaved.fieldtrip-ny.com/uploads/1/3/0/8/130873995/8892671.pdf
- https://cdn.shopify.com/s/files/1/0432/4183/2615/files/tinkle_books_download.pdf
- https://cdn.shopify.com/s/files/1/0431/4071/0566/files/zobosifuxajigu.pdf
- https://cdn.shopify.com/s/files/1/0440/5533/0966/files/92654490998.pdf
- https://cdn.shopify.com/s/files/1/0434/2530/0647/files/waiting_for_love_piano_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0432/8354/6267/files/fivatowabowemigovomomivek.pdf
- https://cdn.shopify.com/s/files/1/0438/6367/0939/files/lokebagusalavuvidug.pdf
- https://cdn.shopify.com/s/files/1/0434/5797/0329/files/enseanza_aprendizaje_segun_autores.pdf
- https://cdn.shopify.com/s/files/1/0431/5162/2305/files/sojeruv.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_off00006d23.bin8bd07ec74f425c9b17bb6180f45051bbbdbf41c184a889dc7d16100d5c3a1768 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D23 | 5032 bytes |
font_01_sfnt_off00007e47.bin8012f8a82ec0ca9e3c54d3d48c64d2fce5756d91dba136e5e61eab4706ade12a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E47 | 9940 bytes |
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