Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0fff82a8ac70447…

MALICIOUS

PDF

43.3 KB Created: 2021-05-19 09:01:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 382aeca140854c88acf9ff15cb7cbf8e SHA-1: 5be064dd3fd8f2ee759f09ee852f1a8b3bf6d671 SHA-256: a0fff82a8ac704475cd5a5319bf49f4a7d3347f929254b283e8fe7bf35275653
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting 'game hacks' and free currency lures. The primary link, https://netcdn.xyz/app/1094591345/pokemon-go-free-coins-2021-game-hack, is flagged as a malicious redirector. The document body and extracted URLs reinforce this lure-based social engineering tactic. No scripts were extracted, but the embedded links are the primary vector for malicious redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://netcdn.xyz/app/1094591345/pokemon-go-free-coins-2021-game-hack In PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/coin-master-hack-tool-v1-9_GM406889139.pdfIn PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/coin-master-hack-apk-2021-download_GM406889139.pdfIn PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/free-robux-with-no-survey_GM431946152.pdfIn PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/claim-robux_GM431946152.pdfIn PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/how-to-get-free-roebucks_GM431946152.pdfIn PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/freerobuxhack-us-2021_GM431946152.pdfIn PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/is-roblox-free-on-xbox_GM431946152.pdfIn PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/coin-master-free-spins-facebook_GM406889139.pdfIn PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/how-to-get-roblox-premium-for-free_GM431946152.pdfIn PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/blogger-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-fast-and-easy_GM431946152.pdfIn PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/play-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/rewards-robux_GM431946152.pdfIn PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/clean-master-hack-coins_GM406889139.pdfIn PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/how-do-u-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://mlc3.ma-alirsyad.sch.id/__statics/gudangsoal/files/free-spins-coin-master-ios-2021_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a5e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A5E 26604 bytes
SHA-256: 10dd07387e4ea3fa69f9e26d761fa684cd292e267beb178166b0de2a7edb72f5
font_01_sfnt_off000086fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86FB 18364 bytes
SHA-256: fad72880c21aff47d7e75df9093eaa98684359517bf279ff65d767d908b3cbc4

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