PDF malware analysis — malicious · 008d2e1205eec4b1

MALICIOUS

PDF

80.4 KB Created: 2021-03-16 07:37:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23

MD5: 467a66940bb410bad9fba1318fb990f2 SHA-1: 7236eee8511ccae9588fb0e6561eb275d7b6a6f7 SHA-256: 008d2e1205eec4b1e9ce1d8140b7c3e51876446620f041bdb278aeca89a99629

186 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses brand-impersonation credential phishing. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 6

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH

Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://pejasosujotu.weebly.com/uploads/1/3/2/6/132683127/5548ec7165b37.pdf.
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://dugedepap.ru/wix?keyword=aa+similarity+postulate PDF link annotation
- http://beach-fruit.fun/pinokoveleborizunefo4zxk.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4500910/normal_5fe2c230c849c.pdfIn PDF document text
- http://ufenmac.com/jabujixopamozowi47t62.pdfIn PDF document text
- http://fanisore.sportsontheweb.net/samsung_grand_prime_motherboard_price_in_india.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374536/normal_5fd8e39e6cafb.pdfIn PDF document text
- http://palopej.sportsontheweb.net/napipalevudiguzuzila.pdfIn PDF document text
- http://selectgetc.top/how_much_do_immigration_lawyers_make_in_new_yorkwekx0.pdfIn PDF document text
- https://pejasosujotu.weebly.com/uploads/1/3/2/6/132683127/5548ec7165b37.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485321/normal_6023c91f57b79.pdfIn PDF document text
- http://linavaluviriv.getenjoyment.net/63058640725.pdfIn PDF document text
- https://rijagadufe.weebly.com/uploads/1/3/1/6/131606992/bixizojujawuxeziwasa.pdfIn PDF document text
- http://cccckkkkkdd.space/78093681953ddxc5.pdfIn PDF document text
- https://panelaxefejavej.weebly.com/uploads/1/3/5/3/135306159/7649530.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/a9491fae-6100-4d78-967f-d0f9d1455075/ladirapolazapev.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bf273929-ddc0-4fa1-b383-f36450b910fe/tolonumetogokuruwu.pdfIn PDF document text
- https://s3.amazonaws.com/somisilegex/4380435036.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d72cab28-dd7f-4e9c-be2c-bf2f2fa04346/what_is_meant_by_knowledge_work_systems.pdfIn PDF document text
- https://s3.amazonaws.com/pekatikisuruki/60993807245.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/632804aa-d7fb-4f28-a572-001d37800fde/32961259645.pdfIn PDF document text
- https://s3.amazonaws.com/fibesezati/jumurinezogikir.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e408.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE408	5056 bytes
SHA-256: `3a831dc406e5e79b8f6d4b1a7379e770b3efe145a777cb666084ce4b75f57937`
`font_01_sfnt_off0000f52a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF52A	11616 bytes
SHA-256: `549e1b06624df0db9624a04b3d4fd9f157362b8fa938c9608b002a0b030ede46`
`font_02_sfnt_off00011cea.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11CEA	16328 bytes
SHA-256: `03098d09f23d592c6d67a445add1d751c861f3a86af3a5fc9bcf4cc9483cae5c`

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