MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One critical heuristic identified a link to known malicious redirector infrastructure at `https://ttraff.cc/pify?keyword=cloze+passage+with+multiple+choice+answers+pdf`. The ML classifier also strongly flagged this PDF as malicious. The presence of numerous links suggests a link farm or a mechanism to distribute malicious content, likely initiated by a spearphishing attachment.
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.cc/pify?keyword=cloze+passage+with+multiple+choice+answers+pdf
- http://kufem.idmybee.com/uploads/1/3/1/3/131378816/7901512.pdf
- http://files.amplifygymnastics.com/uploads/1/3/1/0/131070246/4991590.pdf
- http://pepoxi.lcmcendowmentfund.org/uploads/1/3/0/8/130874524/xinaserutowalun.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/9469/5329/files/java_japplet_example.pdf
- https://cdn.shopify.com/s/files/1/0440/2751/0934/files/zarun.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97428896976.pdf
- https://cdn.shopify.com/s/files/1/0434/5082/6919/files/september_2019_calendar_template.pdf
- https://cdn.shopify.com/s/files/1/0436/2207/2480/files/2_bedroom_house_design.pdf
- https://cdn.shopify.com/s/files/1/0429/8991/2218/files/zalopikoronepekutisirolir.pdf
- https://cdn.shopify.com/s/files/1/0427/9438/5575/files/annotate_android_app.pdf
- https://cdn.shopify.com/s/files/1/0436/4189/7110/files/tabavifode.pdf
- https://cdn.shopify.com/s/files/1/0432/8800/2710/files/35701091912.pdf
- https://cdn.shopify.com/s/files/1/0435/1646/1211/files/sovudo.pdf
- https://cdn.shopify.com/s/files/1/0437/4714/7928/files/schuler_metal_forming_handbook_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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000056ed.bincbbced10f605c1e3d25543fbab0a4cea71191f1626c3316582076f984f1543aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56ED | 5616 bytes |
font_01_sfnt_off000069fd.bina2e7c67fa27a3db00c160050f976add892406a521eae89a6a585fb720bbb5aca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69FD | 10456 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.