PDF malware analysis — malicious · d1a602b2aebeea1c

MALICIOUS

PDF

34.5 KB Created: 2021-07-10 00:25:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 0898182723c361fc8447dd7d10e79ed0 SHA-1: 15abf3aa93a15594f969a3be994a9cf1c2dd4bbb SHA-256: d1a602b2aebeea1cd2b699a9dcf9872f556398f663d667b198c2db2a838a1669

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

PDF links to a 'free generator / game hack' redirector high 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.
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/406889139/coin-master-home-game-hack PDF link annotation
- https://klp.com.tr/inc/uploads/userfiles/files/cheat-codes-for-roblox-retail-tycoon_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/free-robux-generator-no-survey_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/roblox-broken-society-cheats_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/huskybuscom-free-robux_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/coin-master-hack-mod-apk_GM406889139.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/comment-trouver-un-bon-hack-pour-roblox-blox-piece_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/how-to-get-free-spins-on-coin-master-android_GM406889139.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/coin-master-free-spin-reward-links_GM406889139.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/roblox-generator-no-verification_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/usando-hacks-en-roblox_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/coin-master-spins-gratis_GM406889139.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/minecraft-116-apk-download_GM479516143.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/robux-hack-no-verification_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/minecraft-education-free_GM479516143.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/roblox-pet-ranch-cheats_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/free-minecraft-skins-ps4_GM479516143.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/coin-master-free-spin-and-coins-links_GM406889139.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/roblox-group-free-robux-2021_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_002_off000030cf.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x30CF	23200 bytes
SHA-256: `a2328304e7d07cc3468726102db2966cd1182f9d60e6c76d2252bb064d82cf92`
`font_01_sfnt_off000064be.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x64BE	18092 bytes
SHA-256: `ba905ac73eef98627ce31f9a61196988fba84150967a6aeb5bce2c15a28684d9`

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