PDF malware analysis — malicious · 72d032b688d976a6

MALICIOUS

PDF

77.1 KB Created: 2021-06-11 03:00:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 0227aaff7f027b10d4fd76bca5da97b1 SHA-1: 643d1002924c291ea1a5df7e85038105feade69b SHA-256: 72d032b688d976a6b94e35feea7ab23c470079cf77f8ea3229e619a52d97570e

126 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. It contains numerous external URLs, with a primary focus on 'https://crysiq.ru/pbw?utm_term=best+farming+th10', suggesting a lure to a malicious site. The document body is heavily obfuscated, but the presence of embedded URLs and the overall heuristic findings point towards a phishing or scam campaign.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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://crysiq.ru/pbw?utm_term=best+farming+th10 PDF link annotation
- https://sofubile.weebly.com/uploads/1/3/4/3/134380394/wokina.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471960/normal_6065778646f6e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463286/normal_60571264847b5.pdfIn PDF document text
- https://duvujisukodat.weebly.com/uploads/1/3/4/6/134674851/wojujeka.pdfIn PDF document text
- https://lusixepapage.weebly.com/uploads/1/3/4/6/134605241/gekapabi_jivobanadusoti_kirek.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375071/normal_60520ab5ebc59.pdfIn PDF document text
- https://fegenogo.weebly.com/uploads/1/3/5/9/135981842/rerixoneluvefejupe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383156/normal_6015eb963574d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459468/normal_602194bc06779.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4447487/normal_5ff2ac9531a95.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://pulixojesu.pbworks.com/f/26002451343.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/38b59825-6a52-472a-98b3-9dee7dd10018/turco_heritage_kerosene_heater_wick.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/37fd78bd-829d-48e3-9c56-695de87b7d19/71984835152.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3fbc5c0e-3160-4977-9bcd-fbcbb5969812/saving_your_second_marriage_before_it_starts.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/42aba215-3057-4c6b-977d-3b42ce4d8a71/xirumure.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3d91ad1d-5ff3-4123-b75a-dfc542e95bff/16567382001.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4ca346e0-6e79-4029-b0e5-75e15b11f859/what_is_the_imagery_in_i_hear_america_singing.pdfIn PDF document text
- http://pakesobiroge.pbworks.com/w/file/fetch/144978594/speciation_pogil_answers.pdfIn PDF document text
- http://tovemubu.pbworks.com/w/file/fetch/144709563/how_to_say_happy_birthday_in_french_song.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/08f4c47a-e8cd-4304-927e-e92000b19768/limuzewaravinokegovuwumas.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e314.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE314	5072 bytes
SHA-256: `640a4ed04df96c565b849ed977ed4e6023af59916fd7b6fbf10a5ea1b6a5d6ac`
`font_01_sfnt_off0000f41c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF41C	10872 bytes
SHA-256: `14644874054fb2466e52004f936389f7c67dd5163190f049e58102d471fc5bfd`
`font_02_sfnt_off00011922.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11922	4324 bytes
SHA-256: `4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3`

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