PDF malware analysis — malicious · 2fe80928ff997ffd

MALICIOUS

PDF

34.9 KB Created: 2021-07-01 08:29:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 4c853534620c31a7605206fc1b92d710 SHA-1: 535f592d27876772c83ef1e0d5989ba6f3829b1f SHA-256: 2fe80928ff997ffdf5a5f040e41e34c3a1ef6236f5ae2b543daf4ff4fb1478f3

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous embedded links and a call-to-action phrase, strongly suggesting a lure for users to click on potentially malicious URLs. The document body and extracted URLs indicate a theme of free game currency and hacks, a common pretext for phishing or malware distribution. The ML classifier also flagged this PDF as malicious with high confidence.

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/robux-gift-card-codes-free-2021-game-hack PDF link annotation
- https://easypay.af/uploaded_files/userfiles/files/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/haktuts-coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/roblox-aimbot-hack-phantom-forces_GM431946152.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/www-free-robux_GM431946152.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/free-robux-generator-no-verification-2021_GM431946152.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/coin-master-free-spins-2021-blogspot_GM406889139.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/coin-master-free-coins-and-spins-link_GM406889139.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/how-to-get-free-robux-on-pc_GM431946152.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/free-roblox-clothes-for-your-avatar_GM431946152.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/minecraft-net-download-free_GM479516143.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/how-to-hack-a-minecraft-server-and-make-yourself-op_GM479516143.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/coinmasterdailyfreespins-com_GM406889139.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/robux-com-free_GM431946152.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/roblox-www-com_GM431946152.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/roblox-free-pants-catalog_GM431946152.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/promo-code-free-robux_GM431946152.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/coin-master-hack-to-get-free-spins_GM406889139.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/how-to-get-free-robux-without-verifying-2021_GM431946152.pdfIn PDF document text
- https://easypay.af/uploaded_files/userfiles/files/free-robux-mobile_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_off0000306f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x306F	22224 bytes
SHA-256: `296d819f9dd2a5e51324e6bc423b5ba86a21586bfc40df2723e141933e9ffba0`
`font_01_sfnt_off000061e3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61E3	19516 bytes
SHA-256: `4462ca1318b4a785a61e8724c46a3fcc456656cf2fafd45700b41ef6ed67f76b`

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