PDF malware analysis — malicious · 745647f52fbdc201

MALICIOUS

PDF

47.1 KB Created: 2021-05-12 16:41:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 2e257b0ddf835d096431a5ae3ca537a5 SHA-1: 5490af6cc5f039dba1f099266c326935615121a8 SHA-256: 745647f52fbdc201d6b784bb8f66b96278a81192d67d97e4b13e1929aa06a73d

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous embedded links, forming a link farm designed to appear as SEO-optimized content for popular games like Roblox and Coin Master. The primary URL, https://netcdn.xyz/app/431946152/free-roblox-website-game-hack, suggests a lure for game cheats or hacks. The heuristic PDF_SEO_LINK_FARM indicates a large number of external PDF links, reinforcing the link farm tactic. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a phishing or malware distribution attempt.

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/free-roblox-website-game-hack PDF link annotation
- http://malichy.pl/images/chisel-and-bits-mod-pe_GM479516143.pdfIn PDF document text
- http://malichy.pl/images/how-to-get-minecraft-coins-for-free_GM479516143.pdfIn PDF document text
- http://malichy.pl/images/coin-master-daily-free-spins-link-today-blog_GM406889139.pdfIn PDF document text
- http://malichy.pl/images/free-spins-coin-master-facebook_GM406889139.pdfIn PDF document text
- http://malichy.pl/images/free-robux-place_GM431946152.pdfIn PDF document text
- http://malichy.pl/images/coin-master-hack-tool-v1-9-download-free-pc_GM406889139.pdfIn PDF document text
- http://malichy.pl/images/robux-free-2021_GM431946152.pdfIn PDF document text
- http://malichy.pl/images/free-pet-food-on-coin-master_GM406889139.pdfIn PDF document text
- http://malichy.pl/images/how-to-get-free-spins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
- http://malichy.pl/images/free-back-accessories-roblox_GM431946152.pdfIn PDF document text
- http://malichy.pl/images/minecraft-pc-download-free-full-version_GM479516143.pdfIn PDF document text
- http://malichy.pl/images/free-coin-coin-master_GM406889139.pdfIn PDF document text
- http://malichy.pl/images/where-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://malichy.pl/images/how-to-get-roblox-credit-for-free_GM431946152.pdfIn PDF document text
- http://malichy.pl/images/coin-master-hack-spin-link_GM406889139.pdfIn PDF document text
- http://malichy.pl/images/free-robux-groups-2021_GM431946152.pdfIn PDF document text
- http://malichy.pl/images/how-to-hack-coin-master-cheat-engine_GM406889139.pdfIn PDF document text
- http://malichy.pl/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
- http://malichy.pl/images/free-robux-without-offers_GM431946152.pdfIn PDF document text
- http://malichy.pl/images/claim-roblox_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_off00004b1e.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4B1E	24716 bytes
SHA-256: `1834ffd719766b132fd2b3e39c034e8df856a080d585be7ec617ac6a3b162829`
`font_01_sfnt_off000083f0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83F0	7272 bytes
SHA-256: `f462303657ce1de10d3e7d5ae1fe17c8584116bd5bc216971166de87266da924`
`font_02_sfnt_off00009561.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9561	18372 bytes
SHA-256: `4f49704c3d2016fd3d486e698c5af7a9a5561cf776b84bb9dfcb3ffa887994c7`

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