PDF malware analysis — malicious · 4e3496803a47ecb0

MALICIOUS

PDF

86.1 KB Created: 2021-10-18 21:14:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19

MD5: 459419f32c1622a0e49ede86757fa010 SHA-1: be4c40fdcc231eac8732ca60caa25f564e9c51e5 SHA-256: 4e3496803a47ecb07e0573cbf495c02194623f46007c52973176734a224d4c9c

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9985

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 http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613221b585c13---34827635991.pdf In PDF document text
- http://zpkprzemysl.pl/ckfinder/userfiles/files/76089832763.pdfIn PDF document text
- http://www.almansori-ye.com/almansorifiles/files/nizanowofetuxopumojuzo.pdfIn PDF document text
- https://xn--80aesyq.xn--p1ai/files/file/raforipovunaranerixosoj.pdfIn PDF document text
- https://balaji-technology.com/userfiles/file/80414126317.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/1ht3dh0snff0lof5kp9b1svct1/44893171633.pdfIn PDF document text
- http://zdrowejaja.com/Upload/file/tofewakuvefofaka.pdfIn PDF document text
- http://cl-metalparts.com/d/files/90462632437.pdfIn PDF document text
- http://kodemari.info/data/files/gasiresewurefazamevosupet.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16146eb8fc81e2---18381941742.pdfIn PDF document text
- http://worldplastsolution.com/ckfinder/userfiles/files/virovusumabax.pdfIn PDF document text
- http://rainternacional.com/userfiles/file/15802343633.pdfIn PDF document text
- https://maftplayer.net/calisma2/files/uploads/87470039789.pdfIn PDF document text
- https://altonika.pro/files/fck/file/kamuneb.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/0drvqb61vi4acjc00gubem9lm2/fomemobebijasi.pdfIn PDF document text
- http://universalestetic.com/userfiles/file/43825377388.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/faxarujivunasibe.pdfIn PDF document text
- https://acconpriti.com/ckfinder/userfiles/files/tapemovaj.pdfIn PDF document text
- https://noriupapildu.lt/ckfinder/userfiles/files/8116913341.pdfIn PDF document text
- http://pastadimatteo.com/ckfinder/userfiles/files/melekamog.pdfIn PDF document text
- https://kralpin.com/calisma2/files/uploads/58120008792.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/5bhJmFgkeCE/uplcv?utm_term=my+employer+did+not+withhold+federal+taxesPDF link annotation
- 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_off0000ec95.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEC95	17336 bytes
SHA-256: `c4adbb004ec694e6abe99b2535312f19f12c7bea310969063970fb78dc14102d`
`font_01_sfnt_off000118c0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x118C0	11060 bytes
SHA-256: `b54b5994798a84ec5c0e749b948d1bbf50d138466d730e3b27ee8de69b2d050d`
`font_02_sfnt_off00013257.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13257	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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