MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including a known malicious redirector. This suggests a link farm or SEO poisoning tactic designed to drive traffic to malicious infrastructure. The ML classifier also strongly indicated maliciousness.
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/wb?keyword=tera%20ban%20jaunga%20lyrics%20pdf
- http://lumele.plbra.org/uploads/1/3/0/7/130776542/696317fbeec5b7b.pdf
- http://files.newworldexploration.com/uploads/1/3/1/4/131409574/xurej_vabibewozezobat.pdf
- http://files.friendsofhartmountain.com/uploads/1/3/0/7/130738969/0c0eed0bb.pdf
- http://files.metrotreeandcrane.com/uploads/1/3/2/6/132682585/2851981.pdf
- http://files.vcgallery.org/uploads/1/3/1/8/131856381/rokererukirejakifu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/5081/0014/files/rurovi.pdf
- https://cdn.shopify.com/s/files/1/0432/8184/2341/files/gowefalanukis.pdf
- https://cdn.shopify.com/s/files/1/0427/5778/3718/files/pizejum.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/meragavafeduxilaxopuxaw.pdf
- https://cdn.shopify.com/s/files/1/0427/7246/3772/files/27232134990.pdf
- https://cdn.shopify.com/s/files/1/0432/6588/4313/files/96844601991.pdf
- https://cdn.shopify.com/s/files/1/0434/1301/2637/files/wedding_cake_recipe_book.pdf
- https://cdn.shopify.com/s/files/1/0433/4954/1013/files/bejirepimetukig.pdf
- https://cdn.shopify.com/s/files/1/0428/6644/2406/files/93209498300.pdf
- https://cdn.shopify.com/s/files/1/0431/6856/3355/files/jolijasol.pdf
- https://cdn.shopify.com/s/files/1/0434/2589/0469/files/xurer.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_off00005f8b.binaadf3295e24642aadca713f66868bbd113ebff50aa2cd4d19d4fc17b825c83fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F8B | 5592 bytes |
font_01_sfnt_off0000729f.bin41089987dba152f069d48f9c8cfb7f317b9252643d69b85c16b0b1936cd11e3a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x729F | 14344 bytes |
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