PDF malware analysis — malicious · 483f36d926e24eb8

MALICIOUS

PDF

78.6 KB Created: 2020-11-09 19:04:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27

MD5: bbdcb68a8aaef2f22e40ab112328c064 SHA-1: d0c740f0429b1a68166f4a66d5ee7756a94328a2 SHA-256: 483f36d926e24eb823d50ee28060e6dad943d5d27636eb96ab8bcd0b01e6d6dd

244 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file contains a large number of embedded links, many pointing to disposable hosting services, suggesting a link farm designed to distribute malicious content or phish users. The presence of a link to known malicious redirector infrastructure further supports this. Although no scripts were explicitly extracted, the PDF structure and embedded links are indicative of malicious intent, likely for initial access via spearphishing.

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
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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.
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.
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://traffine.ru/strik?keyword=free+spanish+rental+application+pdf In PDF document text
- https://ginixogigifigat.weebly.com/uploads/1/3/4/3/134367444/tetexifo.pdfIn PDF document text
- https://mitegasur.weebly.com/uploads/1/3/1/8/131871816/vilesu.pdfIn PDF document text
- https://dubuzosokiboxof.weebly.com/uploads/1/3/1/1/131163723/1897352.pdfIn PDF document text
- https://tibiwurab.weebly.com/uploads/1/3/2/6/132695994/b333adcd30d4d3.pdfIn PDF document text
- https://kofemadaki.weebly.com/uploads/1/3/4/6/134675418/bdfed7e60180b59.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366309/normal_5f8a14329bf37.pdfIn PDF document text
- https://negofugino.weebly.com/uploads/1/3/4/5/134529575/memesugape-junab-bogujopafowi-fifagesifer.pdfIn PDF document text
- https://pitamiled.weebly.com/uploads/1/3/4/0/134098016/7986127.pdfIn PDF document text
- https://misutinulil.weebly.com/uploads/1/3/1/4/131407711/tupunavowaxosixu.pdfIn PDF document text
- https://fagisidide.weebly.com/uploads/1/3/2/6/132682833/taxasafavo-walavito-tonifugobukim.pdfIn PDF document text
- https://julapaxukej.weebly.com/uploads/1/3/4/4/134492969/xizoxewatidode-zakekakodasizap-wonosun-zolipozesi.pdfIn PDF document text
- https://dajemegexiri.weebly.com/uploads/1/3/4/4/134492390/ef4a1d6b601f.pdfIn PDF document text
- https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/3274198.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389394/normal_5f9c22c7784dc.pdfIn PDF document text
- https://pigasuranebuja.weebly.com/uploads/1/3/4/4/134459694/56715cb3990e.pdfIn PDF document text
- https://fetofopup.weebly.com/uploads/1/3/4/5/134507679/serapumeziz-japadetaki-wofawake.pdfIn PDF document text
- https://gexirirexov.weebly.com/uploads/1/3/0/8/130874239/6884412.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000eac4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEAC4	3160 bytes
SHA-256: `60d999a2bd5d0353e930bf6a551c0885c2f384428c7b1cdf98e1023db7cd72c7`
`font_01_sfnt_off0000f627.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF627	5196 bytes
SHA-256: `346621db87f0bef3c2146adb24c12ec437ca8b0e394d0677efcf2b06413ae646`
`font_02_sfnt_off000107cd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x107CD	10792 bytes
SHA-256: `a8c34f647fdc745af65a5ef2c1e147c6e0f0935bc252dc5b94d95e16571f091f`

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