Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1a25ce4fcf693ee…

MALICIOUS

PDF

14.4 KB Created: 2019-05-04 14:19:12 +01:00 Authoring application: mPDF 5.7
MD5: 46b1384e0a02b1cb5e6005ae4518b74b SHA-1: 66a8c8102d4e3807f8083d75c23e640c9539ef53 SHA-256: f1a25ce4fcf693ee0782199ee9519593646cb54519e9bc5a4b820ec9034a9ec7
60 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a 'PDF_SEO_LINK_FARM', indicating a large number of embedded external links. While the document body is heavily corrupted, the presence of numerous links suggests an attempt to direct users to external resources, potentially for SEO manipulation or to host further malicious content. The links themselves are to PDF files hosted on 'loaminoo.linkpc.net'. No scripts were extracted from this sample.

Heuristics 2

  • 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.
  • 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://loaminoo.linkpc.net/7095096095095099/RIRE-SHOSETSU-by-SAITO-HIROSHI.pdf
    • http://loaminoo.linkpc.net/7095094090094096/Mini-C-est-pour-rire-8-Sp-cial-b-tisier-Plus-de-400-perles-de-ouf-Mort-de-rire-by-Claude-Mocchi.pdf
    • http://loaminoo.linkpc.net/7095096095095096/Yoga-Du-Rire-Rire-Sans-Raison-by-Madan-Kataria.pdf
    • http://loaminoo.linkpc.net/5099099098090096/La-Brigade-du-rire-by-G-rard-Mordillat.pdf
    • http://loaminoo.linkpc.net/7095096093098091/Peut-on-encore-rire-de-tout-by-Cabu.pdf
    • http://loaminoo.linkpc.net/6099090097096092/Un-condamn-rire-s-est-chapp-by-Pascal-Fioretto.pdf
    • http://loaminoo.linkpc.net/1096092094093095/The-Stories-of-Ibis-by-Hiroshi-Yamamoto.pdf
    • http://loaminoo.linkpc.net/1098095096093092/Edge-of-Tomorrow-by-Hiroshi-Sakurazaka.pdf
    • http://loaminoo.linkpc.net/4091090094094094/Edge-of-Tomorrow-by-Hiroshi-Sakurazaka.pdf
    • http://loaminoo.linkpc.net/2094091090092097/Edge-of-Tomorrow-by-Hiroshi-Sakurazaka.pdf
    • http://loaminoo.linkpc.net/1097092099099093/The-Sky-Crawlers-Prologue-Episode-1-by-Hiroshi-Mori.pdf
    • http://loaminoo.linkpc.net/1091095097097092/-Ashita-No-Kioku-by-Hiroshi-Ogiwara.pdf
    • http://loaminoo.linkpc.net/6097092097098096/Ogawa-and-Team-Saito-vol-03-by-Sakyo.pdf
    • http://loaminoo.linkpc.net/6097092097095096/Ogawa-and-Team-Saito-vol-01-by-Sakyo.pdf
    • http://loaminoo.linkpc.net/7099094097091096/Hikikomori-Adolescence-without-End-by-Tamaki-Sait-.pdf
    • http://loaminoo.linkpc.net/6097092097095097/Ogawa-and-Team-Saito-vol-02-by-Sakyo.pdf
    • http://loaminoo.linkpc.net/4097094094093097/From-the-Edge-of-Darkness-by-Kevin-Saito.pdf
    • http://loaminoo.linkpc.net/7093096095092091/--Bur-tasu-No-Shinz-Kanzen-Hanzai-Satsujin-Rir-by-Keigo-Higashino.pdf
    • http://loaminoo.linkpc.net/8093096093091091/Tsukuru-Sensu-K-saku-No-Shik-by-Hiroshi-Mori.pdf
    • http://loaminoo.linkpc.net/6094095099096098/Suppressed-Arelia-LaRue-5-by-Kira-Saito.pdf

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