PDF malware analysis — malicious · 78224a5d27a87ad0

MALICIOUS

PDF

84.3 KB Created: 2021-10-06 07:17:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16

MD5: 998178007897cec7967efe4dc4fee3f5 SHA-1: 3fde6dd203c906bf3260456415598873b9a29671 SHA-256: 78224a5d27a87ad0555eda858e4f25bde0a61cf3e1407969587d7142f1f73dff

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9964

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 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://nomylo.ru/uplcv?utm_term=aquarius+male+and+aries+female+compatibility PDF link annotation
- http://life-homeshop.buyout8.com/asset/uploads/files/67280414362.pdfIn PDF document text
- https://ribaczpeter.hu/files/file/fikizi.pdfIn PDF document text
- http://barahi.com/assets/userfiles/files/towikezukukevoridosimix.pdfIn PDF document text
- http://daugiavanthienphuoc.com/media/ftp/file/sumibawuzobiwamov.pdfIn PDF document text
- http://lycee-elm.org/userfiles/file/vixijilomanixobugarijej.pdfIn PDF document text
- https://somogyplusz.hu/files/lepis.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/3eae9d5dc693464abada1471db99f440/67164646955.pdfIn PDF document text
- http://velapower.com/glwh/UploadFile/file/2021092304204773499.pdfIn PDF document text
- https://medtek.vn/storage/file/dotumogobodov.pdfIn PDF document text
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16146fb83c7b22---6404435531.pdfIn PDF document text
- http://fratellibeninca.com/images/file/niripibixozukaf.pdfIn PDF document text
- http://steakclubhn.com/campannas/file/dewobakututapapomulazimug.pdfIn PDF document text
- http://sgd42.ru/userfiles/file/46968928218.pdfIn PDF document text
- http://rulada.by/upload/editor/files/86820992833.pdfIn PDF document text
- https://fong-cai.com/upload/files/75594349253.pdfIn PDF document text
- http://thibidi.vinadesign.info/uploads/images/files/10083871750.pdfIn PDF document text
- http://zkqzl.com/uploadfile/file///2021092216122695.pdfIn PDF document text
- http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/munelimofelogatamon.pdfIn PDF document text
- http://debten.net/UserFiles/File/41366779064.pdfIn PDF document text
- https://maurinet.com/userfiles/file/17999122416.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161365581ac24a---belamalefiguzuduvavipev.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161339880a4261---151055616.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_off0000e554.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE554	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000fd6b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFD6B	11260 bytes
SHA-256: `b69d1127a309555cd4217d12252f35b4840057ccd70ad0f0f7e9cce293480a19`
`font_02_sfnt_off0001176e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1176E	17216 bytes
SHA-256: `f23f0d3f86cdc5e7ee158213a8bbded32920bba3634e68eee605f9368147867e`

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