PDF malware analysis — malicious · 3695dd86a0c287b4

MALICIOUS

PDF

87.2 KB Created: 2021-06-26 22:45:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05

MD5: f16343a2aa042f6ec0ff5609dc904925 SHA-1: 3e0121e4e3da80f4f8483edb78287348383d96c0 SHA-256: 3695dd86a0c287b4307474dc88e30c396e9bfcbd5ace96d0334219d14a5b6f33

164 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to various websites, many of which appear to be compromised or disposable hosting. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate this is a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.

Machine Learning

Nyx PDF Classifier malicious score 0.9800

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
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.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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=simple+steps+to+successful+beginning+percussion+pdf PDF link annotation
- http://amon-syotengai.com/userfiles/file/nubami.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608e7aec62284---75855965912.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b340659c0c7---zapipuvedegef.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad835c2ed8---2523435372.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/18bb49e1a5623a890adb5f7589e26aa1/98181228092.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2edfb8d73---bovajojuwe.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fb10c4da9dd8d27c9d39d988ed826e92/99115600922.pdfIn PDF document text
- http://dpsszczytno.pl/photo/file/mimepirolarapelanidagubig.pdfIn PDF document text
- https://rainbowfurnitures.com/files/files/lobeduverezarizunutomuni.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1eeb72fe3---1052082249.pdfIn PDF document text
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/c6a8th6gfnfdjjc4te4egcaojm/donumusaba.pdfIn PDF document text
- http://cristal-in.fr/userfiles/file/8438216392.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160833cd652eed---5795967975.pdfIn PDF document text
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/8cd8a5079452093ce7ae5bb0146b74c0/vexizubatibipu.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d3db9eaf0aa---68378126696.pdfIn PDF document text
- http://amdind.com/userfiles/file/dovaxigepudujadojodosuzet.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074848b05f3d---xupegaralusatu.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d3f63b8e1a5---2231149959.pdfIn PDF document text
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/d3b43a4aaff110513627e14245dc5e85/45710836815.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16094b093ac691---49601557364.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/aee1769a72546a5105b13b8d5a864548/rumisu.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16078c68628c45---gujirezitidugugog.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2150e3fb1---28267809515.pdfIn PDF document text
- https://zoldlepes.hu/userfiles/file/pejopamalugevume.pdfIn PDF document text
- http://vswet.ru/f/gutuladiwezibetiwepor.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1608a947cb43c2---18463546275.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_off0000f097.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF097	11116 bytes
SHA-256: `b75a55b05699a067c92a53a81007a714c8e894989c7772a1b8afffefe28c9f9e`
`font_01_sfnt_off00010a0c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10A0C	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off0001221e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1221E	16604 bytes
SHA-256: `3d9ee443fda2bd6a3258788eddbb984f8b0cef8002e9b800ff3415e21c40ea4e`

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