PDF malware analysis — malicious · 2670c0f3d1b7ae2d

MALICIOUS

PDF

33.4 KB Created: 2021-07-20 10:37:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 5cf12da4fd602b32797c48c4db60ab57 SHA-1: 13c599ee60f6d083725975d78b2470c60ade96c3 SHA-256: 2670c0f3d1b7ae2df958f141ef2983bddfbf0f5a7b381538cfa200f46ddc9b0b

108 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to a known malicious domain, likely serving malware or unwanted applications. The document body and heuristics indicate a lure for downloading free game-related software, such as Minecraft or Robux, which is a common tactic for distributing malicious payloads. No scripts were extracted from this sample, but the presence of malicious redirector links is a strong indicator of malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9942

Heuristics 4

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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
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.tw/app/479516143/minecraft-pe-0.15-0-apk-free-download-game-hack In PDF document text
- http://e-learning20.min2pontianak.sch.id/__statics/gudangsoal/files/free-minecraft-accounts-2021_GM479516143.pdfIn PDF document text
- http://e-learning20.min2pontianak.sch.id/__statics/gudangsoal/files/minecraft-pe-free-ios_GM479516143.pdfIn PDF document text
- http://e-learning20.min2pontianak.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-for-kids_GM431946152.pdfIn PDF document text
- http://e-learning20.min2pontianak.sch.id/__statics/gudangsoal/files/free-robux-gift-card-codes-2021_GM431946152.pdfIn PDF document text
- http://e-learning20.min2pontianak.sch.id/__statics/gudangsoal/files/free-robux-no-verification_GM431946152.pdfIn PDF document text
- http://e-learning20.min2pontianak.sch.id/__statics/gudangsoal/files/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
- http://e-learning20.min2pontianak.sch.id/__statics/gudangsoal/files/minecraft-pe-hacks_GM479516143.pdfIn PDF document text
- http://e-learning20.min2pontianak.sch.id/__statics/gudangsoal/files/minecraft-server-hacks_GM479516143.pdfIn PDF document text
- http://e-learning20.min2pontianak.sch.id/__statics/gudangsoal/files/free-tiktok-fans-no-human-verification-or-downloading-apps_GM835599320.pdfIn PDF document text
- http://e-learning20.min2pontianak.sch.id/__statics/gudangsoal/files/get-free-robux-com_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_off00002bf8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2BF8	22324 bytes
SHA-256: `b56b351ef13c1f0fbf1c334b283a1803f6fd31bbc051d73e41e73f36a542a77d`
`font_01_sfnt_off00005da5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5DA5	19268 bytes
SHA-256: `9273c8c2b8a269721a9438858e1c0aeb95c142b4551f9d4ca11e724d76d79d6e`

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