PDF malware analysis — malicious · 4fa268184805e35b

MALICIOUS

PDF

34.3 KB Created: 2021-06-19 20:06:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15

MD5: f2775f2f631f46473b5ab93bae86f61b SHA-1: 0592782dd51edccde8bca1495102feaa76c9e248 SHA-256: 4fa268184805e35bc2b9dec992570c385f90f79bc5fc668288ae04381214186f

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains numerous external links, many of which are presented as download opportunities for game-related cheats or currency. The document body explicitly mentions 'Free Robux Generator Online No Survey' and includes a direct link to a URL that appears to host such a generator. The presence of a large number of external links and the deceptive content strongly suggest an attempt to trick users into downloading malicious files or visiting compromised sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/free-robux-generator-online-no-survey-game-hack PDF link annotation
- https://vierabyragazze.com/upload/files/roblox-download-pc-free_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-spins-coin-master-app_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/coin-master-free-spins-and-coins-haktuts_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-spins-coin-master-without-completing-offers_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/how-to-hack-someones-character-in-roblox_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-tiktok-followers-real_GM835599320.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/minecraft-for-chromebook-free_GM479516143.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/coin-master-free-spins-hack_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/huskybuckscom-free-robux_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-roblox-followers-generator-2021_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/coin-master-hack-spin-link_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/best-hack-for-coin-master-2021_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/is-coin-master-hack-safe_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/free-robux-giveaway_GM431946152.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/coin-master-admin-free-spins_GM406889139.pdfIn PDF document text
- https://vierabyragazze.com/upload/files/how-does-a-roblox-account-get-hacked_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
`font_00_sfnt_off0000304a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x304A	21792 bytes
SHA-256: `67585db2b9b7cf34e097fa999bbe63b02b76cc91daae65df727b82fbaeefe3c6`
`font_01_sfnt_off0000603c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x603C	19308 bytes
SHA-256: `83a21db36c5229c98df33006de509a4c1d44c798612d6138619bff4a185090e9`

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