PDF malware analysis — malicious · 843ced685db0760e

MALICIOUS

PDF

47.2 KB Created: 2021-05-15 11:07:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13

MD5: 6837f92a32f5bbbda8c85b3f97777106 SHA-1: c298af1d17d9c87e00cb05ae126cdc2bb9359474 SHA-256: 843ced685db0760e6202c928926e5d6b5ab4cb4637bc73e7aafb4e2558789f68

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, many of which point to files with names suggesting game hacks or cheats. The ML classifier also flagged this PDF as malicious. The presence of external URIs and a link farm indicates an attempt to direct users to external resources, likely for downloading further malicious content.

Machine Learning

Nyx PDF Classifier malicious score 0.8948

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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/instantrobux-game-hack PDF link annotation
- http://regioliga.pl/images/free-script-executor-roblox_GM431946152.pdfIn PDF document text
- http://regioliga.pl/images/roblox-com-free_GM431946152.pdfIn PDF document text
- http://regioliga.pl/images/coin-master-hack-tool-pc-download_GM406889139.pdfIn PDF document text
- http://regioliga.pl/images/claim-roblox_GM431946152.pdfIn PDF document text
- http://regioliga.pl/images/free-coins-coin-master-hack_GM406889139.pdfIn PDF document text
- http://regioliga.pl/images/roblox-free-robux_GM431946152.pdfIn PDF document text
- http://regioliga.pl/images/free-robux-no-verification-or-survey_GM431946152.pdfIn PDF document text
- http://regioliga.pl/images/coin-master-free-spins-link-download-free_GM406889139.pdfIn PDF document text
- http://regioliga.pl/images/free-coin-master-spins-blog_GM406889139.pdfIn PDF document text
- http://regioliga.pl/images/coin-master-golden-cards-hack_GM406889139.pdfIn PDF document text
- http://regioliga.pl/images/how-to-get-minecraft-bedrock-edition-on-pc-for-free_GM479516143.pdfIn PDF document text
- http://regioliga.pl/images/how-to-free-robux_GM431946152.pdfIn PDF document text
- http://regioliga.pl/images/but-link-says-free-robux_GM431946152.pdfIn PDF document text
- http://regioliga.pl/images/coin-master-unlimited-coins-hack-apk-download_GM406889139.pdfIn PDF document text
- http://regioliga.pl/images/coin-master-date-and-time-hack_GM406889139.pdfIn PDF document text
- http://regioliga.pl/images/mcpe-master-hack-unlimited-coins-download_GM406889139.pdfIn PDF document text
- http://regioliga.pl/images/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- http://regioliga.pl/images/oprewards-free-robux_GM431946152.pdfIn PDF document text
- http://regioliga.pl/images/how-to-get-free-cards-sets-for-coin-master_GM406889139.pdfIn PDF document text
- http://regioliga.pl/images/how-to-get-free-robux-without-human-verification-2021_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_off00004985.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4985	27312 bytes
SHA-256: `f98ca88c8c5e7fdc048085a348ff98416ce350880cd3dd61b43b4cf9a7df2e19`
`font_01_sfnt_off00008929.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8929	5696 bytes
SHA-256: `450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139`
`font_02_sfnt_off0000963b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x963B	18184 bytes
SHA-256: `4d77632c85c001e266779ad9698d54220e11b78bd17d8b0f085f3dc4dd17180b`

Open this report in the interactive analyzer, or submit your own file for analysis.