MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service. The ML classifier strongly indicated maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms that at least one link leads to known malicious infrastructure. The document body, though heavily obfuscated, contains a URL that is also present in the IOCs.
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=bibliography+apa+format+slideshare
- http://zekonale.bayoush.com/uploads/1/3/0/7/130775432/0b0d45e3.pdf
- http://files.bashleyart.com/uploads/1/3/1/8/131856310/zekinipev.pdf
- http://files.nagamegallery.com/uploads/1/3/0/9/130969656/lawirijajotesos_gimopet.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/7086/4025/files/57169700029.pdf
- https://cdn.shopify.com/s/files/1/0449/9036/5864/files/agriculture_books_in_tamil.pdf
- https://cdn.shopify.com/s/files/1/0438/1789/4050/files/64614325280.pdf
- https://cdn.shopify.com/s/files/1/0433/1231/6584/files/jomiluwile.pdf
- https://cdn.shopify.com/s/files/1/0432/5546/4104/files/ridakulifojafafugemofar.pdf
- https://cdn.shopify.com/s/files/1/0432/8577/4491/files/1548596575.pdf
- https://cdn.shopify.com/s/files/1/0450/3745/3470/files/divowagezeragixer.pdf
- https://cdn.shopify.com/s/files/1/0428/4448/7836/files/xepirasemutipididuvoliwik.pdf
- https://cdn.shopify.com/s/files/1/0431/9094/3901/files/opposite_of_sub.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_off000063ae.bin5ccc8ba65c6a82fc39958acb6947f658c9392014be5b46bcda9aef1b71494433 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63AE | 5748 bytes |
font_01_sfnt_off00007710.bin608d2ec399b934e471e6d2f762d794267832a8445e6a8818a7ee59f14e4a902d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7710 | 10460 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.