PDF malware analysis — malicious · ec7585a356e68e83

MALICIOUS

PDF

72.0 KB Created: 2021-03-14 14:32:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 1426e051c3d83bb8936e20b11f6f8750 SHA-1: 67b336465396f57eb062969434892924f41d593c SHA-256: ec7585a356e68e83987ee4e6816f51bec43cf68deb58b4d8f34eef0827dc02f3

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, including a link farm, suggesting it is used for SEO spam or to redirect users to malicious sites. The embedded URLs point to domains commonly associated with malware distribution or phishing campaigns.

Machine Learning

Nyx PDF Classifier malicious score 0.8024

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.
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://kuzutuzo.ru/award?keyword=acropora+palmata+pdf
- http://kogemotuju.getenjoyment.net/31834602745.pdf
- http://xoziduso.mypressonline.com/colt_ar15_pistol_lower.pdf
- http://kovuzaxaf.medianewsonline.com/vivewavenepitupula.pdf
- https://static.s123-cdn-static.com/uploads/4403684/normal_5fcd03a3804c0.pdf
- https://xavexipaw.weebly.com/uploads/1/3/1/6/131636683/rufugosirili_gakebanukokib_binukenosad.pdf
- https://rajilogibakew.weebly.com/uploads/1/3/5/3/135326989/topora.pdf
- https://dosemawa.weebly.com/uploads/1/3/5/3/135388865/9337568.pdf
- http://radogomi.mygamesonline.org/jemugilonejumedapix.pdf
- https://cdn-cms.f-static.net/uploads/4393364/normal_5fd6a29e52f5d.pdf
- https://cdn-cms.f-static.net/uploads/4471719/normal_60407040e5d42.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://d17f4099-ecc1-42b1-9c73-51521793457c.filesusr.com/ugd/4a2613_639c5d3653834f4c8c5f61f94248dd2d.pdf?index=true
- https://0306adf0-382e-42f1-903d-71c3961c97f1.filesusr.com/ugd/7ff653_03a985c8797b473eb350378f383e43c6.pdf?index=true
- https://4a7d9d2b-1d67-446c-8d6d-bdd3043d1f60.filesusr.com/ugd/c3d078_970d6438b21f45e288d186353c01fe81.pdf?index=true
- https://4cd5eafb-d261-4666-a528-29b55b1676c1.filesusr.com/ugd/8dde66_8e9f522d17b2445db5a7ec36f1086d61.pdf?index=true
- https://59cf682b-6680-4a08-8b8d-0472bab64ef7.filesusr.com/ugd/d7d6cd_ea1c52468f7d4b80a90d509ec55efb51.pdf?index=true
- https://13a7c488-548c-4b48-b567-d2b0b9a3e1de.filesusr.com/ugd/85d67f_cc2fd25e9d9a4a0e886b3893c5e0bd91.pdf?index=true
- http://gonidiwofove.epizy.com/green_lantern_2_movie_free.pdf
- https://aa4de0c4-a7fb-47f6-97fe-5721705e71c1.filesusr.com/ugd/824332_7b390a3c4b64470ba013d90310651276.pdf?index=true
- http://jasagedonemope.epizy.com/xijaxujuwawutajod.pdf
- https://7c5e2310-e79b-429e-9f4a-70471a43dcce.filesusr.com/ugd/8ec1ef_86631b45c0da4f17ad53636bb1400d1a.pdf?index=true
- http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000f4ad.bin` `869c522c6294dcdddc3f43ce31fa6744409431eae79379938c2e6d060e108ba2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF4AD	4628 bytes

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