PDF malware analysis — malicious · 6d5df2a7f7e76297

MALICIOUS

PDF

85.2 KB Created: 2021-06-29 03:25:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05

MD5: adafcf07642d7da0d72d7ee561f107c2 SHA-1: ed6f237332ab925d93425aaa31899991edf2c32e SHA-256: 6d5df2a7f7e76297b7146feb00ee01d615b2909772d9f868aa4e1af4b175ca84

196 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1539 Steal or Forge Credentials

This PDF document is identified as malicious by ML classifiers and ClamAV, and exhibits characteristics of a credential phishing lure. It presents a scenario requiring a one-time code or MFA confirmation, likely to harvest user credentials or session tokens. The document contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, which are likely part of the phishing infrastructure.

Machine Learning

Nyx PDF Classifier malicious score 0.9972

Heuristics 7

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
MFA / one-time-code harvesting lure high SE_MFA_LURE

Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM

PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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://archism.ru/uplcv?utm_term=find+a+song+based+on+tune PDF link annotation
- http://abwcrainhwy.com/uploads/files/38652235284.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1d34002c98---9985011153.pdfIn PDF document text
- http://bakoca.hu/files/file/10664350147.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/vp2bbt2cbk7bp2tcvhj6ooiet5/72040015506.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076907bbb72d---mesokaruwazalofetawos.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/fb779029ea2c91afdf53c8858c6ffc34/bibisawebopiko.pdfIn PDF document text
- http://westmoorclassof1965.com/clients/5/52/52ec68f2b927accf75267cb07bfcc891/File/35617248670.pdfIn PDF document text
- http://campbellelectronics.com/uploads/32688654852.pdfIn PDF document text
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/b570fb47c992d770e3800294345dc13b/tegovakunifupabulexote.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6ba8e70f92---88980579000.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/2jbufvipdjk8k4ul25eme465ug/tiwonulagoterubowiridolug.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093cc296d4c9---rupazudolifopotibadomum.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/kjrfc79fronbb0ucfpag9hvjl5/larifugu.pdfIn PDF document text
- http://gmei.lt/ckfinder/userfiles/files/fateminububebabo.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb30ee31603---renezojaluberevo.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/a0153f2513f7d1a026052ddb6e3fa897/lumululufipus.pdfIn PDF document text
- http://meadescafe.com/userfiles/file/nexane.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5d965522bf---2344114916.pdfIn PDF document text
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/521337179caea58027d1ef11f97880e9/6316120978.pdfIn PDF document text
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/7f7rqg4ir0po1n44hoha6lp5ma/60650442184.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095aff610a38---63903963001.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_off0000eab1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEAB1	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off000102c3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x102C3	17492 bytes
SHA-256: `58217418b547ea94c4317996fcda747a43b1d5dabbf162b99725f38900e3b009`
`font_02_sfnt_off00013044.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13044	10496 bytes
SHA-256: `ae089c2acccfed53ab02c1eb2b08b9cbb977be99dcbf3657cd02fab440c21724`

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