Malicious PDF — malware analysis report

Static analysis result for SHA-256 96d529eca0845773…

MALICIOUS

PDF

34.9 KB Created: 2021-07-05 19:53:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-08-25
MD5: a034a99d28a01483f7d5399a5315d4b9 SHA-1: 7b231ca7bd6b71dea4c4d123f608c97afa8f8c74 SHA-256: 96d529eca084577363d9e8a43cd4612b235da65dc39998a57a17902ae9c7e5c7
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of free game currency and hacks to entice users to click on embedded links. The primary link directs to a known malicious redirector infrastructure, which is likely intended to lead the user to a malicious site or download a payload. The document's content and embedded URLs strongly suggest a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/406889139/best-free-spins-link-coin-master-game-hack In PDF document text
    • https://perpustakaan.urindo.ac.id/repository/mcpe-hacks_GM479516143.pdfIn PDF document text
    • https://perpustakaan.urindo.ac.id/repository/all-free-items-in-roblox_GM431946152.pdfIn PDF document text
    • http://perpustakaan.urindo.ac.id/repository/coin-master-blogspot_GM406889139.pdfIn PDF document text
    • https://perpustakaan.urindo.ac.id/repository/turn-scripts-into-dlls-roblox-hack_GM431946152.pdfIn PDF document text
    • http://perpustakaan.urindo.ac.id/repository/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://perpustakaan.urindo.ac.id/repository/free-executors-for-roblox_GM431946152.pdfIn PDF document text
    • https://perpustakaan.urindo.ac.id/repository/coin-master-2021-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://perpustakaan.urindo.ac.id/repository/coin-master-free-spins-activegamer_GM406889139.pdfIn PDF document text
    • http://perpustakaan.urindo.ac.id/repository/robux-hacks-2021_GM431946152.pdfIn PDF document text
    • http://perpustakaan.urindo.ac.id/repository/www-coin-master-hack-tk_GM406889139.pdfIn PDF document text
    • https://perpustakaan.urindo.ac.id/repository/how-to-download-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
    • http://perpustakaan.urindo.ac.id/repository/mobihack-roblox-hack_GM431946152.pdfIn PDF document text
    • http://perpustakaan.urindo.ac.id/repository/free-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • https://perpustakaan.urindo.ac.id/repository/hair-free-roblox_GM431946152.pdfIn PDF document text
    • https://perpustakaan.urindo.ac.id/repository/how-to-get-hacks-in-roblox-no-scam_GM431946152.pdfIn PDF document text
    • https://perpustakaan.urindo.ac.id/repository/how-to-get-free-robux-not-fake_GM431946152.pdfIn PDF document text
    • https://perpustakaan.urindo.ac.id/repository/auto-clicker-for-mac-roblox-free_GM431946152.pdfIn PDF document text
    • https://perpustakaan.urindo.ac.id/repository/coin-master-free-coins-facebook_GM406889139.pdfIn PDF document text
    • http://perpustakaan.urindo.ac.id/repository/robuxfree-con_GM431946152.pdfIn PDF document text
    • http://perpustakaan.urindo.ac.id/repository/free-minecraft-skins-ps4_GM479516143.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
font_00_sfnt_off000031e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31E2 22768 bytes
SHA-256: 744e720f24504220c7134bd26f232d14799c64bc1df4c2b6e04f8baf6940df0e
font_01_sfnt_off000064d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64D5 18560 bytes
SHA-256: f4e5c5d747b0ffea5d5709502c5f789dc406614ec4bfae31758420bcc4675b97

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