PDF malware analysis — malicious · 9e6ee47d775400f1

MALICIOUS

PDF

64.0 KB Created: 2021-03-15 00:44:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 26db16beb0040fc7fd05af55b8d3a50d SHA-1: a0d860af1a3279c156db20005fae42d124960088 SHA-256: 9e6ee47d775400f1ff64d59e16b83992c9f2c991a67933e1b855a7bb80a25a9e

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous external links, a common tactic for link farms and phishing lures, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards an attempt to redirect users to malicious sites, likely for credential harvesting or further malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9468

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=az+100+premium+pdf
- https://sinekagu.weebly.com/uploads/1/3/4/8/134855021/e41afed707.pdf
- https://zutujoxiker.weebly.com/uploads/1/3/0/7/130776667/zewafa.pdf
- https://nasuvanebi.weebly.com/uploads/1/3/5/3/135393195/8512618.pdf
- https://gukujevanedin.weebly.com/uploads/1/3/5/3/135344472/9095627.pdf
- https://bixavovene.weebly.com/uploads/1/3/0/7/130775743/3c93fa2a217.pdf
- http://speak4pro.com/846065468017eveg.pdf
- http://lovumodezubudem.iblogger.org/chori_chori_movie_video_song.pdf
- https://fomodaduvi.weebly.com/uploads/1/3/4/7/134700625/7032905.pdf
- https://vubufogos.weebly.com/uploads/1/3/4/7/134766152/fifezarimogenek.pdf
- https://tenemetit.weebly.com/uploads/1/3/2/6/132696414/rigefobu.pdf
- http://shoop-fe.ru/norixigifebiladavaxhyko.pdf
- http://sandiego-podcasts.com/why_school_uniforms_are_important_essayen83i.pdf
- http://crystal-light33.ru/41332906343wfi9v.pdf
- http://zizoxuviwemaki.iblogger.org/77927825796.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/gavexilatuvitaz/21674161328.pdf
- http://judomoposigu.rf.gd/25116962715.pdf
- https://ca4714f6-1050-42bc-a227-6c2105fd3203.filesusr.com/ugd/c345b0_33a0b7f2d1d7423b880648dc0868911c.pdf?index=true
- https://7e8267f5-6380-480e-ad72-df526eaefc07.filesusr.com/ugd/cbe325_a675a205341c485ea6314e69986d8686.pdf?index=true
- https://s3.amazonaws.com/gizonukorad/berodutubijowixijigaso.pdf
- https://s3.amazonaws.com/gofiguj/acog_guidelines_for_laboring_down.pdf
- https://357b8bef-7330-4cfe-b31d-389db25c4d5a.filesusr.com/ugd/4c76bf_c2a21908857e4e7a90c5ce8ab289ab85.pdf?index=true
- https://937a8a2d-b41a-4163-aff8-eda6db263557.filesusr.com/ugd/21e6f2_46a921d4361b436888e8b19f5b6b4311.pdf?index=true
- https://s3.amazonaws.com/mexijegedakol/geothermal_energy_ppt_and_report.pdf
- http://fanuxifesuz.rf.gd/bank_english_book.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000f3db.bin` `97ed1d4196bf0174fd9530c5d7b29617adf8f9d214c919cbda5f2fc1f856cfa6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF3DB	5000 bytes

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