PDF malware analysis — malicious · 2b57edfcd05aa5d6

MALICIOUS

PDF

70.5 KB Created: 2021-04-01 07:50:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 78a7ced4f258f31e0f71ab0c175f9192 SHA-1: 302854f258888cbdd1b01dd7deb4ae3306479a30 SHA-256: 2b57edfcd05aa5d61922f30f63629e2829fb261716765bf79fd4cdbef0d6a6f0

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous external links, with one identified as a potential phishing lure related to printer paper. The ClamAV detection and ML classifier strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links suggest it's designed to redirect users to malicious sites, likely for phishing or to download further payloads.

Machine Learning

Nyx PDF Classifier malicious score 0.8294

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://crophysi.ru/strik?utm_term=canon+p170-dh+paper
- https://static.s123-cdn-static.com/uploads/4420911/normal_5fc9cb9b3eff6.pdf
- https://cdn-cms.f-static.net/uploads/4477147/normal_5fd665cf0fb14.pdf
- https://static.s123-cdn-static.com/uploads/4417664/normal_5fef8bde2bb6e.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cd753cf5-d90a-4073-9c55-931a76e81761.filesusr.com/ugd/8826df_ed3358b988494e53a4aedff08a26ad08.pdf?index=true
- https://s3.amazonaws.com/jovekus/96470910314.pdf
- https://s3.amazonaws.com/befafuni/88121760675.pdf
- https://b3159766-6c8b-4733-a97d-e59ef6783693.filesusr.com/ugd/21851e_313b360871fb4419bb5b797c5f47336a.pdf?index=true
- https://1416a32c-f91c-4ec3-9c10-bfdf610c7df7.filesusr.com/ugd/76de1a_3953e1e314e946f792c8669c3a3905e3.pdf?index=true
- https://s3.amazonaws.com/gumagabu/antagonistas_da_vitamina_k.pdf
- https://s3.amazonaws.com/libeganot/monegexoje.pdf
- https://2ddedb0e-b7b0-41c9-a8bc-c018bd0e6e4c.filesusr.com/ugd/70094d_dd46e876946e4fff92efee1f4deef7bb.pdf?index=true
- https://s3.amazonaws.com/rizijubovapuk/65160723968.pdf
- https://s3.amazonaws.com/mejados/wasezokarin.pdf
- https://5c09c65f-4728-49e3-9562-8692e696fc4f.filesusr.com/ugd/32acb1_7513b4ded0ab433a937c0858344afd5c.pdf?index=true
- https://s3.amazonaws.com/rikolesafuwofar/28845678947.pdf
- https://s3.amazonaws.com/kotidox/best_gameboy_emulator_games_for_android.pdf
- https://s3.amazonaws.com/winumigutam/vegugetovexazufosib.pdf
- https://f89b8795-a90f-4359-81e0-6309601a98d9.filesusr.com/ugd/8e7730_c14fed419c9246c6a0bd5bb288a691a9.pdf?index=true
- https://3c3b6f52-20a2-448a-be11-eec5930c502f.filesusr.com/ugd/0ca786_53c2c9c714b9412fb80651704ed65eae.pdf?index=true
- https://s3.amazonaws.com/xonobijikivo/how_to_setup_hitron_cgnm-2250.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000f5fe.bin` `cdea1049b5ce1f54fdb4a813882aac30ab100f00a9ac591106cabff2393092e8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF5FE	4824 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.