PDF malware analysis — malicious · 8c6b440453e72fa6

MALICIOUS

PDF

44.3 KB Created: 2021-05-15 16:37:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: c3050829f6a55591ebee3025bdacdbf8 SHA-1: a57a85556b71c3e51682c60a9e91c90076ddbcb0 SHA-256: 8c6b440453e72fa6b44301ff54fdd199f4cf0bd5452f206fa51adc9891b7520d

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous external links, many of which point to other PDF files hosted on easypay.af. The document body and heuristics indicate a lure related to free spins or game hacks, suggesting a phishing or SEO spam campaign. The presence of a 'download button' heuristic further supports the malicious intent of directing users to external content.

Machine Learning

Nyx PDF Classifier malicious score 0.9648

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/406889139/offers-to-get-free-spins-in-coin-master-game-hack
- https://easypay.af/uploaded_files/userfiles/files/get-free-robux-now_GM431946152.pdf
- https://easypay.af/uploaded_files/userfiles/files/coin-master-gold-cards-free_GM406889139.pdf
- https://easypay.af/uploaded_files/userfiles/files/free-robux-no-human-verify_GM431946152.pdf
- https://easypay.af/uploaded_files/userfiles/files/levvvel-coin-master_GM406889139.pdf
- https://easypay.af/uploaded_files/userfiles/files/oprewards-points-generator_GM431946152.pdf
- https://easypay.af/uploaded_files/userfiles/files/free-daily-spins-from-coin-master_GM406889139.pdf
- https://easypay.af/uploaded_files/userfiles/files/how-to-get-free-spins-on-coin-master-iphone_GM406889139.pdf
- https://easypay.af/uploaded_files/userfiles/files/se-puede-hackear-coin-master_GM406889139.pdf
- https://easypay.af/uploaded_files/userfiles/files/coin-master-free-gift-link-2021_GM406889139.pdf
- https://easypay.af/uploaded_files/userfiles/files/coin-master-free-spin-and-coin-link-haktuts-hacking-news_GM406889139.pdf
- https://easypay.af/uploaded_files/userfiles/files/fan-page-coin-master_GM406889139.pdf
- https://easypay.af/uploaded_files/userfiles/files/minecraft-redeem-code-free_GM479516143.pdf
- https://easypay.af/uploaded_files/userfiles/files/coin-master-redeem-code-free_GM406889139.pdf
- https://easypay.af/uploaded_files/userfiles/files/coin-master-free-spins-2021-hack_GM406889139.pdf
- https://easypay.af/uploaded_files/userfiles/files/free-robux-generator-no-survey_GM431946152.pdf
- https://easypay.af/uploaded_files/userfiles/files/free-minecraft-java-account_GM479516143.pdf
- https://easypay.af/uploaded_files/userfiles/files/coin-master-free-coins-and-spins-app_GM406889139.pdf
- https://easypay.af/uploaded_files/userfiles/files/coin-master-daily-free-spins-2021_GM406889139.pdf
- https://easypay.af/uploaded_files/userfiles/files/coin-master-free-coins-and-spins_GM406889139.pdf
- https://easypay.af/uploaded_files/userfiles/files/download-hack-coin-master_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004931.bin` `e65a446b35ad122210a6e00524de3d1a8f9456335a1e53cdb8d7c1b2c03fd5cc`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4931	25068 bytes
`font_01_sfnt_off0000820a.bin` `3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x820A	2840 bytes
`font_02_sfnt_off00008bbb.bin` `30edd90fb5f44ed2ffe9d198043d40b130788a5bb95c5a6e05ea2eec8efa899e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8BBB	17884 bytes

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