MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a malicious redirector link disguised with a keyword related to learning German. This redirector leads to a link farm of numerous PDF files, many hosted on Shopify. The ML classifier strongly flagged this PDF as malicious, and the presence of a redirector and link farm indicates a social engineering attempt to drive traffic to potentially malicious content. No scripts were extracted, but the PDF structure itself is the delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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=learning+german+for+beginners+worksheets
- http://mutokada.epiphanysedan.org/uploads/1/3/2/6/132681218/vuladazo.pdf
- http://files.villa-anggrek.com/uploads/1/3/1/3/131379371/difisudenaborex.pdf
- http://files.yvonnedubourdieu.ca/uploads/1/3/1/4/131409677/legogunivefejek.pdf
- https://cdn.shopify.com/s/files/1/0436/5382/4677/files/65064596811.pdf
- https://cdn.shopify.com/s/files/1/0435/1174/2628/files/54039902427.pdf
- https://cdn.shopify.com/s/files/1/0428/6706/4991/files/panegikanipafinanafirov.pdf
- https://cdn.shopify.com/s/files/1/0431/2144/2977/files/arduino_nano_3._0_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/6044/5855/files/63688791879.pdf
- https://cdn.shopify.com/s/files/1/0430/8343/2096/files/wuzotozamav.pdf
- https://cdn.shopify.com/s/files/1/0427/6856/4380/files/wubaxexojabidifirupuvu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/41841620016.pdf
- https://cdn.shopify.com/s/files/1/0461/7702/6201/files/16090984414.pdf
- https://cdn.shopify.com/s/files/1/0435/5165/4047/files/bodomopus.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_off00005b8b.bin422a8d570edae98c05a147fa5be547c6ea00dd1cb1e1a6d9bfe2cf9a344b7ea6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B8B | 5388 bytes |
font_01_sfnt_off00006dce.binba49d96350f6a22b84b7874d18007c61d4ecd8aa98117a179bdcfe650f20a508 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DCE | 10276 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.