PDF malware analysis — malicious · 0920e46a074b6e56

MALICIOUS

PDF

46.4 KB Created: 2021-05-13 21:31:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 1d06ef23f9f8bfc3587cfdff75cb58de SHA-1: be30a4cb883e87f7b1bcfd54bd56e691b279bfa5 SHA-256: 0920e46a074b6e560bda5677dc652a039259d95dd2ffa6ff7c60e85456bdfe59

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 0.8948

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 https://netcdn.xyz/app/431946152/free-robux-giveaway-game-hack PDF link annotation
- http://huebner-baustoffe.de/images/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
- http://huebner-baustoffe.de/images/roblox-tracker_GM431946152.pdfIn PDF document text
- http://huebner-baustoffe.de/images/free-vip-roblox_GM431946152.pdfIn PDF document text
- http://huebner-baustoffe.de/images/free-coin-master-coins-and-spins_GM406889139.pdfIn PDF document text
- http://huebner-baustoffe.de/images/how-to-get-free-robux-for-free_GM431946152.pdfIn PDF document text
- http://huebner-baustoffe.de/images/minecraft-pe-hacks_GM479516143.pdfIn PDF document text
- http://huebner-baustoffe.de/images/coin-master-hack-2021-android-apk_GM406889139.pdfIn PDF document text
- http://huebner-baustoffe.de/images/free-robux-gen_GM431946152.pdfIn PDF document text
- http://huebner-baustoffe.de/images/robux-hack-2021_GM431946152.pdfIn PDF document text
- http://huebner-baustoffe.de/images/mcpe-master-coins-hack_GM406889139.pdfIn PDF document text
- http://huebner-baustoffe.de/images/daily-free-spin-coin-master-link_GM406889139.pdfIn PDF document text
- http://huebner-baustoffe.de/images/free-spins-and-coins-blogspot-coin-master_GM406889139.pdfIn PDF document text
- http://huebner-baustoffe.de/images/free-robux-script_GM431946152.pdfIn PDF document text
- http://huebner-baustoffe.de/images/moonactive-free-spins-link_GM406889139.pdfIn PDF document text
- http://huebner-baustoffe.de/images/free-roblox-hack_GM431946152.pdfIn PDF document text
- http://huebner-baustoffe.de/images/free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
- http://huebner-baustoffe.de/images/free-coin-master-spins_GM406889139.pdfIn PDF document text
- http://huebner-baustoffe.de/images/minecraft-free-demo_GM479516143.pdfIn PDF document text
- http://huebner-baustoffe.de/images/minecraft-bedrock-edition-pc-free_GM479516143.pdfIn PDF document text
- http://huebner-baustoffe.de/images/roblox-catalog-free_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off0000488b.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x488B	26328 bytes
SHA-256: `26b528ad71ac47298088a90a7834f300eded18b62242078ad0333204abcb14b5`
`font_01_sfnt_off0000841a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x841A	3988 bytes
SHA-256: `567b12258042b29dc9213b211e31194e9e0e96b59e87b0fcdaf4835989646dee`
`font_02_sfnt_off0000913a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x913A	18820 bytes
SHA-256: `a907981f6338d23acda294c558170907db38f399f16fdb2ca0bc536a0b707f6d`

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