MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, specifically 'https://ttraff.com/pify?keyword=bimanual+examination+of+oral+cavity'. This link is likely used to redirect users to a malicious website. The document also exhibits characteristics of a PDF link farm, with numerous embedded links to external PDFs, many hosted on Shopify. The ML classifier strongly supports the malicious verdict.
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=bimanual+examination+of+oral+cavity
- http://files.oonaghmcdonald.com/uploads/1/3/0/7/130739202/wizenivoni.pdf
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/18893643172.pdf
- https://cdn.shopify.com/s/files/1/0431/3396/0341/files/79857569272.pdf
- https://cdn.shopify.com/s/files/1/0428/3426/4220/files/common_cardiovascular_diseases.pdf
- https://cdn.shopify.com/s/files/1/0432/2387/5746/files/galewusowolotilira.pdf
- https://cdn.shopify.com/s/files/1/0432/1555/2672/files/yookoso_an_invitation_to_contemporary_japanese_answers.pdf
- https://cdn.shopify.com/s/files/1/0438/0203/4336/files/setufixukutuxadarurex.pdf
- https://cdn.shopify.com/s/files/1/0435/0679/4651/files/sadisimivizijomuwip.pdf
- https://cdn.shopify.com/s/files/1/0436/3314/8062/files/carbon_nanotubes_review_pdf.pdf
- https://cdn.shopify.com/s/files/1/0429/5265/5002/files/nuwubutalus.pdf
- https://cdn.shopify.com/s/files/1/0431/1236/6229/files/zesoxedaf.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_off0000710e.binf292b0c2a6edf18365955ac476f0ce1ba5fa7f6205c611915df58372fd0c9e4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x710E | 5128 bytes |
font_01_sfnt_off00008270.bin49eb78205253681c4fe4436250d2b33b5dfc8b0db87a4c6d1935b194b6bd9072 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8270 | 9824 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.