MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including a known malicious redirector. The primary malicious URL, https://ttraff.ru/pify?keyword=american+college+of+gastroenterology+guidelines+diverticulitis, is designed to redirect users to further malicious content. The ML classifier strongly indicated maliciousness, and the PDF structure itself is indicative of a link farm used for SEO poisoning or distributing malware.
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=american+college+of+gastroenterology+guidelines+diverticulitis
- http://files.fatimafwsb.org/uploads/1/3/0/7/130740524/0c8bb563fd14fb0.pdf
- http://files.galvinbands.com/uploads/1/3/1/3/131398374/futetotov-zorozofose-nekekuwe.pdf
- http://mazeko.homesteadfamilygrain.org/uploads/1/3/0/9/130969042/tiretetek.pdf
- https://cdn.shopify.com/s/files/1/0430/1471/7599/files/sizajisafodapuruzomiluvit.pdf
- https://cdn.shopify.com/s/files/1/0436/2849/5001/files/architectural_photography_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0429/9633/4753/files/draft_letter_template.pdf
- https://cdn.shopify.com/s/files/1/0429/8758/5699/files/lafatufefe.pdf
- https://cdn.shopify.com/s/files/1/0433/5419/4085/files/56834426858.pdf
- https://cdn.shopify.com/s/files/1/0430/3772/0733/files/25729399106.pdf
- https://cdn.shopify.com/s/files/1/0430/8906/8185/files/65019448481.pdf
- https://cdn.shopify.com/s/files/1/0433/7310/1214/files/nasobixupebekedewolibesej.pdf
- https://cdn.shopify.com/s/files/1/0430/1560/2339/files/51133481719.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000068e5.binfbc59ff873a02afa22a9c1174cfe73760550f09f65ce854e29a329363310b76e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68E5 | 5376 bytes |
font_01_sfnt_off00007b11.binb27ee53e6ecdd3490eb3ee7985bfd44082fc7cdda65f80bbeedf5fc495925a3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B11 | 10872 bytes |
font_02_sfnt_off00009fb2.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FB2 | 4324 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.