Malicious PDF — malware analysis report

Static analysis result for SHA-256 02e1845f13a8652e…

MALICIOUS

PDF

39.6 KB Created: 2020-04-07 07:49:49 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 38e96c482f6184943319bd4f4a35227f SHA-1: 9bae617d027cdecaaeb4b0be7b47384a6da68b02 SHA-256: 02e1845f13a8652e9ceee21c25a64e571833f584aab6d5f564f1712e4713b991
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though partially obfuscated, also contains URLs that are likely intended to redirect the user to malicious websites. The ML classifier strongly indicates maliciousness, supporting the conclusion that this document is designed to lead users to harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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_URL
    One 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 http://kyflowernseed.com/uploads/1/3/1/4/131454466/131454466.html#letra+de+la+musica+chiquitita+dime+porque
    • http://sdjkfd.com/uploads/1/3/1/3/131398052/parenusozejoti-lepizasiserevo-nolebitamanunu-firavujid.pdf
    • http://tripledcustoms.com/uploads/1/3/1/3/131383614/694775.pdf
    • http://armcandybytinkatl.com/uploads/1/3/0/8/130813108/5494414.pdf
    • http://buramarkit.net/uploads/1/3/0/4/130435685/kibugaxekuge-bovubaruzezulew-tuferi-fituna.pdf
    • http://amazdphotography.com/uploads/1/3/0/7/130738896/5414502.pdf
    • http://postmaloneclothing.com/uploads/1/3/0/9/130969960/8886211.pdf
    • http://goodnewzs.net/uploads/1/3/0/2/130272384/rixepetadokivo_vunomaresukego_nasujil_jusode.pdf
    • http://lynnhuttons.com/uploads/1/3/0/8/130813357/7397703.pdf
    • http://theblissbenefit.com/uploads/1/3/1/4/131407233/7711028.pdf
    • http://billyhartman.com/uploads/1/3/0/5/130551302/9774469.pdf
    • http://imitari.net/uploads/1/3/0/4/130476456/fujagakage-zufapasovob-pinunasufesitu-giteruta.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006eac.bin
e162c89946980afed715dfe5cccd34817bf108a526ea7518f2360b2c7bbaf5c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6EAC 9516 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.