PDF malware analysis — malicious · 24b415e2d0e9b6ff

MALICIOUS

PDF

82.4 KB Created: 2021-09-09 15:37:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-16

MD5: d5c85a75c8e57f957d3d9ab475aa6a6c SHA-1: bb5194257b1ba6bf7a4d7ce42fa369519205a8a2 SHA-256: 24b415e2d0e9b6ff21918b2749d43143401a677f8d891e2fab8bac5b11c4d29f

146 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to potentially malicious domains, suggesting an attempt to redirect users to phishing sites or download further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a large number of links on disposable hosting, reinforcing the phishing or malware distribution intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9955

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
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.
QR-code redirect lure medium SE_QR_LURE

Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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://drafthe.ru/uplcv?utm_term=capcut+app+all+version PDF link annotation
- http://isemya.by/modules/ariol/static/ariol/ckfinder/files/mipapagil.pdfIn PDF document text
- http://jubileejec.com/userfiles/files/43095346363.pdfIn PDF document text
- http://pradakshinam.com/fck_uploads/file/10335527672.pdfIn PDF document text
- http://campingwithconvenience.com/files/files/36037139233.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/wovokeg.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161325d3d7fcec---70649366040.pdfIn PDF document text
- https://zohopinler.com/calisma2/files/uploads/21018614.pdfIn PDF document text
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137898ebb17e---54832207955.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/240626028.pdfIn PDF document text
- http://jiji.pgo.tw/pic/uploads/files/sirejarot.pdfIn PDF document text
- http://np-laser.com/upload_fck/file/2021-9-7/20210907183549660253.pdfIn PDF document text
- http://deeringbayrealestate.com/userfiles/files/63287084072.pdfIn PDF document text
- https://gagiongvitgiong.com/ckfinder/userfiles/files/91618512902.pdfIn PDF document text
- http://wxmx.cn/upload/ckimg/files/202109040227061754.pdfIn PDF document text
- http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/palapisoragolerizefaza.pdfIn PDF document text
- http://faw-asia.com/image/upload/files/5274611538.pdfIn PDF document text
- https://sintasyapi.com/img/userfiles/file/9618703306.pdfIn PDF document text
- http://studiotipaldo.com/userfiles/files/mikaluruzafolalesideli.pdfIn PDF document text
- http://ahkjt.com/upfile/file/tafuvimojuwaluxabite.pdfIn PDF document text
- http://ms-krmelin.cz/app/webroot/files/files/womizoxenisuga.pdfIn PDF document text
- https://menokatea.com/ckfinder/userfiles/files/68833059145.pdfIn PDF document text
- https://biholka.cz/uploades/userfiles/file/buvikuzejal.pdfIn PDF document text
- https://4of100churchstreet.com/assets/media/files/gosino.pdfIn PDF document text
- http://pokebarslo.com/uploads/files/boxozatewenujeno.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://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_off0000dc84.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDC84	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000f49b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF49B	10564 bytes
SHA-256: `c203478af22732e91746a75dfd40de8db32940bcd907dbb691a837d6c7d77c6b`
`font_02_sfnt_off00010cdb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10CDB	18356 bytes
SHA-256: `e22f9ddde866ace4cd841b941efadabee03ea376dae3f8a39892e29ca7959a52`

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