MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at `https://ttraff.ru/pify?keyword=spelling+rules+worksheets+ks2`. The document body, though heavily obfuscated, also contains this URL and other links pointing to PDF files hosted on Shopify and other domains. This suggests a link farm or redirection strategy to obscure the ultimate malicious destination.
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.ru/pify?keyword=spelling+rules+worksheets+ks2
- http://files.vintuitivewmt.com/uploads/1/3/1/3/131381066/giwunefokiduji_tivezem_kulajopegajowir_pipene.pdf
- http://files.canadoretv.com/uploads/1/3/1/6/131637546/noxiwutezepoxil_kakenolox_tanulij_kifuf.pdf
- http://tudepun.buffburro.com/uploads/1/3/2/7/132711991/4a1989dc21797a.pdf
- http://komuv.pebblehurst.com/uploads/1/3/1/3/131383936/7231223.pdf
- https://cdn.shopify.com/s/files/1/0437/1261/0472/files/asme_b31_8.pdf
- https://cdn.shopify.com/s/files/1/0446/7671/0563/files/lightning_arrow_ds3.pdf
- https://cdn.shopify.com/s/files/1/0440/2728/1558/files/age_of_luxaire_furnace.pdf
- https://cdn.shopify.com/s/files/1/0429/5789/7882/files/how_to_copy_bf4_emblems.pdf
- https://cdn.shopify.com/s/files/1/0433/2368/7067/files/xuwalotilidetez.pdf
- https://cdn.shopify.com/s/files/1/0428/6545/9366/files/18210005737.pdf
- https://cdn.shopify.com/s/files/1/0430/3332/9817/files/85207785971.pdf
- https://cdn.shopify.com/s/files/1/0438/3378/6525/files/jadetusulatusapuliriroje.pdf
- https://cdn.shopify.com/s/files/1/0461/9704/7447/files/acrobat_reader_dc_pro.pdf
- https://cdn.shopify.com/s/files/1/0430/7789/4297/files/online_to_ppt_converter_free_download.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_off00005238.bin30fe7f7c0bee6f54c9fcdc6a0d76965c20348b4b813aea174205a652a0c2b0f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5238 | 5260 bytes |
font_01_sfnt_off00006432.bin19443a9e08a20c36d5b67d1886dfe0799b46adb38efb7460f52e8e062f724c43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6432 | 9876 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.