MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document 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 goal appears to be directing users to potentially malicious or spam-related content through this link farm. The ML classifier strongly indicated maliciousness, and the presence of a redirector URL reinforces this assessment.
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=caatsa+section+231+pdf
- http://files.suemurrayphotographer.com/uploads/1/3/1/4/131437493/588f8.pdf
- http://fitota.spaceycave.com/uploads/1/3/1/6/131607062/9835825.pdf
- http://files.livybella.com/uploads/1/3/2/7/132741109/7624280.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/2502/2621/files/12933486175.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/babape.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/8685957786.pdf
- https://cdn.shopify.com/s/files/1/0431/6463/1195/files/46358086254.pdf
- https://cdn.shopify.com/s/files/1/0434/4384/7328/files/calendario_2020_enero.pdf
- https://cdn.shopify.com/s/files/1/0432/1725/6603/files/classifying_polynomials_quiz.pdf
- https://cdn.shopify.com/s/files/1/0429/1218/6531/files/kuzaguxikomifitumiroxo.pdf
- https://cdn.shopify.com/s/files/1/0429/2640/7833/files/64143855746.pdf
- https://cdn.shopify.com/s/files/1/0427/4126/8647/files/zesogasipelazewaberewubax.pdf
- https://cdn.shopify.com/s/files/1/0433/0940/0214/files/28359589980.pdf
- https://cdn.shopify.com/s/files/1/0430/9044/4445/files/60267022792.pdf
- https://cdn.shopify.com/s/files/1/0433/4062/8120/files/97497984826.pdf
- https://cdn.shopify.com/s/files/1/0427/6797/4556/files/35810014568.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_off000066df.bin1a71f63b4fa50ccf736b34b12d387bb7941756b424f5ad01f6a173e1e7ac5f46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66DF | 5276 bytes |
font_01_sfnt_off000078e6.bin6840569495838fce6145832f5136071ad2829fbaa72817c0be86b9341ab4da99 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78E6 | 9876 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.