PDF malware analysis — malicious · 9413b22840920714

MALICIOUS

PDF

138.5 KB Created: 2021-07-23 07:07:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12

MD5: cfa8fc03fe8d474bdc7dc7e8e6dabe85 SHA-1: a08678acf846814406299c17e3c194660ec0c0eb SHA-256: 9413b22840920714e2e1a22537efb815f8e46fd0a95f68dba6a5e8fc5c3ee222

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9690

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://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/fea6c149a4f999df5da5fb812a353dee/vixopeti.pdf In PDF document text
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160702c9f81fde---pibebigorebojukafavavifu.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16088e6c02a420---40729757485.pdfIn PDF document text
- https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079abc14647a---12615740582.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbc63c66c08---xomebukafekedigitufimi.pdfIn PDF document text
- http://jikaramen.com/uploads/files/34493840568.pdfIn PDF document text
- https://bangvetthuong.com/luutru/files/55961028325.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/96271282393.pdfIn PDF document text
- https://edu-mate.kr/_UploadFile/Images/file/monulifipesonunuveb.pdfIn PDF document text
- http://santabruna.cl/upload/file/94854337721.pdfIn PDF document text
- https://store-connector.com/_upload_bilder/_filemanager/file/99751199717.pdfIn PDF document text
- https://doluhosting.com/calisma2/files/uploads/11161166917.pdfIn PDF document text
- https://fminterativa.net/cms/plugins/ckfinder/userfiles/files/24857992402.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acadc4df14a---xakubudexixixewedevufu.pdfIn PDF document text
- http://marta-galan.com/files/varios/file/surusezirugedub.pdfIn PDF document text
- http://ogbchurch.com/clients/880797/File/mozezabefakosovinukoted.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/97977889409.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1582bbb9c---fifeja.pdfIn PDF document text
- http://carszana.com/image/upload/File/genopedosironakigepirov.pdfIn PDF document text
- https://dejavuruse.com/userfiles/file/nolorekoforuki.pdfIn PDF document text
- https://minhkygroup.com/luutru/files/7960380552.pdfIn PDF document text
- http://brightwayconsultancyservices.com/userfiles/file/66706219251.pdfIn PDF document text
- http://www.aadhar-interior.com/userfiles/file/vitigerukepime.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160869807e4b22---86084362725.pdfIn PDF document text
- http://luxe-pools.fr/i/File/18574954563.pdfIn PDF document text
- http://webinside.pl/userfiles/file/32149921164.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=neolithic+tools+and+technologyPDF 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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00019621.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x19621	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0001ae33.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1AE33	23684 bytes
SHA-256: `ff134f1f8e5386d3298c1633ff4ee44ad2956711a2b3417cf81690456f1b5e00`
`font_02_sfnt_off0001e77b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1E77B	18260 bytes
SHA-256: `1dce802d31eaad2af07ed92db09e55f510a94ffbdc0c1d2e1e69ad4416012921`
`font_03_sfnt_off000202ec.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x202EC	10640 bytes
SHA-256: `8ee16aef5f5028a586d7983e2a6673dfd1d64c0fe14f8989103d45fc9cc3bd4a`

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