Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe30701e4f538ec4…

MALICIOUS

PDF

40.1 KB Authoring application: pstoedit
MD5: ca0fe0a1ea92d3409ece4a4da4b084f4 SHA-1: f0edb25452c2acce647765caa63a7f6b042901c2 SHA-256: fe30701e4f538ec45eae12c8dba65088c0773676ee7ac99d48302da3b552421f
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains a large number of embedded external links, many of which point to other PDF files hosted on various domains. This behavior is indicative of a link farm or a phishing lure designed to redirect users to malicious content. The ClamAV detection and ML classifier further support its malicious nature, flagging it as phishing or malware. The document body itself appears to be obfuscated or corrupted, but the presence of numerous URLs strongly suggests a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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 https://boseremubesofeb.weebly.com/uploads/1/3/0/5/130550882/sutamukaza.pdf
    • http://pezovedos.1331.wtf/uploads/2020/01/27/gabinezenefog-lavavosok.pdf
    • http://laising-swd.de/uploads/1/3/0/6/130621628/64890.pdf
    • http://katiekeenan.net/uploads/1/3/0/2/130287311/5575883.pdf
    • https://lasuterifarem.weebly.com/uploads/1/3/0/5/130588207/zupuvititelorilem.pdf
    • http://kifokuxino.russian-travels.com/uploads/2020/01/28/8873135.pdf
    • https://purowoladi.weebly.com/uploads/1/3/0/3/130324027/mamajid-gawusidovukej-vowovirewe-megom.pdf
    • http://adenta.bg/uploads/1/3/0/4/130483158/sigemusulafike.pdf
    • http://tiripexagi.masterpechi.ru/uploads/2020/01/28/3694770.pdf
    • http://aleyahhana.com/uploads/1/3/0/3/130313624/6808030.pdf
    • http://atyogautopia.com/uploads/1/3/0/2/130288448/5203214.pdf
    • http://carrelageettendance.com/uploads/1/3/0/6/130620602/8372801.pdf
    • http://centerforpentecostalministry.com/uploads/1/3/0/6/130620525/loboruto-jilegesa-xutodetufoga.pdf
    • http://boriforufu.ecorutas2x2.com/uploads/2020/01/27/vererukonemo.pdf
    • http://zoja.dataup.ru/uploads/2020/01/28/7365397.pdf
    • http://kuvigij.regpanel.club/uploads/2020/01/27/1523300.pdf
    • http://suze.goodzinfo.net/uploads/2020/01/28/zomesiwur_kesogapibitabu_nikujiwigogi.pdf
    • http://zobozajej.lux-scent.ru/uploads/2020/01/29/sagasiwa-punuvimuges.pdf
    • https://julizivuzesu.weebly.com/uploads/1/3/0/5/130547069/4418f.pdf
    • http://mobilhomebluesky.com/uploads/1/3/0/4/130435898/4731841.pdf
    • http://skydivetofino.ca/uploads/1/3/0/5/130542922/tobipukalitefu-logupug-gaxunudog-zugagakisezag.pdf
    • http://xirezomo.kupim24.com/uploads/2020/01/27/vuboxerap-raximun.pdf
    • http://swankyfork.com/uploads/1/3/0/6/130605312/xidasagadanorakonu.pdf
    • http://sqgcorporation.com/uploads/1/3/0/6/130621429/130621429.html#mecatronica+bolton+5ta+edicion+pdf
    • http://swankyfork.com/uploads/1/3/0/6/130605312/xidasagadanorakonu.pd

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001754.bin
cc8fa8a2f9a4f68ac32ad31489a0062a0eb5b90bffe8dddd2864aa9251d83a06
pdf-font-stream PDF embedded font (sfnt) at offset 0x1754 9276 bytes