Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff07a9bbaccd5fac…

MALICIOUS

PDF

35.0 KB Created: 2021-07-04 10:56:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 1ff0f69cb1b43f0d00a3febda200bcaf SHA-1: a9db3895182056196fd0866de30b1ed8e7d72ddb SHA-256: ff07a9bbaccd5face23667c261c7a1346fb4bbe4151f2b3f9f6c98b1c08656f2
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a document body that promotes free in-game currency and hacks, indicating a phishing or scam attempt. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs suggests it is designed to redirect users to malicious sites. No scripts were extracted, but the overall pattern points to a lure for potentially unwanted downloads or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/835599320/free-tiktok-fans-game-hack
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/robux-claimer_GM431946152.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/wow-to-get-free-robux_GM431946152.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/free-coin-master-glitches_GM406889139.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/roblox-free-models_GM431946152.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/hacks-para-roblox-tener-robux_GM431946152.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/free-robux-generator-no-survey_GM431946152.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/www-roblox-cheatus-limited-edition_GM431946152.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/roblox-free-gamepass-pastebin_GM431946152.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/coin-master-free-attack-hack_GM406889139.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/coin-master-free-pet-food-links_GM406889139.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/roblox-jailbreak-hack-endless-robbing_GM431946152.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/2021-no-human-verification-hack-for-coin-master_GM406889139.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/roblox-booga-booga-hack-installieren-deutsch_GM431946152.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/get-free-bird-toy-code-roblox_GM431946152.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/coin-master-hack-2021-apk_GM406889139.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/coin-master-hack-version-2021-free-download_GM406889139.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/free-robux-working_GM431946152.pdf
    • http://perpustakaan.stikom-ima.ac.id/slims2/repository/coin-master-link-daily-get-free-spins-amp_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033c7.bin
b68f7b102b8ec1ea134145e41556ea07651b4692b0c2d4a75915d94faf0a085e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x33C7 22880 bytes
font_01_sfnt_off00006714.bin
87f31bbce025ab7961c0308c6f930bfb3cd8ef09f5fe635d9ab670b851b9ee5c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6714 17972 bytes

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