PDF malware analysis — malicious · 49f5d0c125f07e8f

MALICIOUS

PDF

71.6 KB Created: 2021-01-19 17:44:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16

MD5: cb01d6896639e9c5a8d065444ae22730 SHA-1: 875d70e44fe0864997f318ae5d5131edd28fb7b2 SHA-256: 49f5d0c125f07e8f4c717e91ad71dcbeb2c0681295fa64279cfdca9f47e519a3

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of external links, identified as a PDF link farm. One of the primary URLs, 'https://trafffi.ru/aws?utm_term=mapleroyals+warrior+guide', appears to be a lure, while another, 'https://s3.amazonaws.com/henghuili-files2/fowirevowujavezugela.pdf', is part of the link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.

Machine Learning

Nyx PDF Classifier malicious score 0.9662

Heuristics 4

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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.
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://trafffi.ru/aws?utm_term=mapleroyals+warrior+guide PDF link annotation
- https://revunisukigi.weebly.com/uploads/1/3/4/8/134849871/palukujavagazevo.pdfIn PDF document text
- http://piguzipudoval.iblogger.org/23764305358.pdfIn PDF document text
- https://wejerimaz.weebly.com/uploads/1/3/4/6/134648800/8303060.pdfIn PDF document text
- http://kozizukexepuf.22web.org/editable_grocery_list_template_free.pdfIn PDF document text
- https://vitomowovenosej.weebly.com/uploads/1/3/4/6/134697338/059e51648a467.pdfIn PDF document text
- http://sijuvibitita.iblogger.org/battlenet_slow_speeds.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/henghuili-files2/fowirevowujavezugela.pdfIn PDF document text
- https://s3.amazonaws.com/duzexefemosaxe/xemanolenuxepujojavonutik.pdfIn PDF document text
- https://s3.amazonaws.com/nemafu/counter_terrorist_2_mod_apk.pdfIn PDF document text
- http://ruzoguniwu.epizy.com/fojagoxolulom.pdfIn PDF document text
- https://s3.amazonaws.com/tetofamuxulil/98178402790.pdfIn PDF document text
- https://s3.amazonaws.com/jenagubadopi/eic_college_login.pdfIn PDF document text
- https://s3.amazonaws.com/kavitokolezub/bisizuvumi.pdfIn PDF document text
- https://s3.amazonaws.com/zepifudoxapo/nagizilerafilokozile.pdfIn PDF document text
- http://segixiw.epizy.com/delivery_receipt_template_excel.pdfIn PDF document text
- http://vujulazi.epizy.com/weather_report_of_daltonganj_jharkhand.pdfIn PDF document text
- https://s3.amazonaws.com/tumasun/eric_snyder_holland_mi.pdfIn PDF document text
- https://s3.amazonaws.com/kufazete/flight_plan_sheet.pdfIn PDF document text
- http://totofexux.epizy.com/77898984802.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000101cf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x101CF	5024 bytes
SHA-256: `d816cafc26bd85ec607d783fee4aab82e32205fa51397b2e417cc46cc608c2d8`

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