PDF malware analysis — malicious · e7eb111175d041dd

MALICIOUS

PDF

86.4 KB Created: 2021-06-27 15:13:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05

MD5: f5341b0a2fb32fa940fcb16828fde12c SHA-1: 00fbd5a5e391b147729d56b6b87b3fb38e0cdaf5 SHA-256: e7eb111175d041dd2431d9fcf2898ce58f72ba198454785a7624bf4e162baeba

156 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1055.012 Process Injection T1204.002 Malicious Link

This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous embedded URLs that point to compromised WordPress sites and other disposable hosting. These links likely lead to phishing pages or further malware downloads, aligning with a spearphishing attachment attack pattern.

Machine Learning

Nyx PDF Classifier malicious score 0.9947

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://garglob.ru/uplcv?utm_term=sweep+the+house PDF link annotation
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d46fd246787---23128968115.pdfIn PDF document text
- http://mynigaoe.com/upload/file/20210508130733.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/cf56bdb70efea85592dcb1f5f5ea62b5/69535405860.pdfIn PDF document text
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/uhvn0r2kud0lnjn4s3g5rj45vc/52782874700.pdfIn PDF document text
- http://master-sign.ru/ckfinder/userfiles/files/37766299819.pdfIn PDF document text
- http://amctop.com/board_data/editor_img/file/202105101150.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/a1n9ffbl2untif3ms5ciu3tcs1/74681012816.pdfIn PDF document text
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/5f535687c2f23c09e1ab239ccdfdeed6/zajixosubos.pdfIn PDF document text
- https://susta.vn/userfiles/file/foxijep.pdfIn PDF document text
- http://uni-farm.pl/ckfinder/userfiles/files/vusadovomezasiz.pdfIn PDF document text
- http://stellamaris.cz/userfiles/tilusakozeduwolaxuxuro.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/96813a32890e52fb5a789719b1da3509/veloxifidopunikaki.pdfIn PDF document text
- http://atsrealtyvietnam.com/upload/files/defepusujovil.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8b2f45e21---4561025219.pdfIn PDF document text
- http://creatinglifeoptions.com/userfiles/files/43138589557.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c15d18b4204---jujebaxufunulipafituk.pdfIn PDF document text
- http://wedding-ideas.ru/ckfinder/userfiles/files/rorawemavoke.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/1c871668f2555fa39e4e8e1e3f8f1e47/xizavidufonozuwex.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6c01237014---87973589782.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072bc24b0cbe---42906060115.pdfIn PDF document text
- https://alatheir.com/atheirwsfiles/file/88856154037.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/3f9eeeeb3f9dd4cb40f3fbd919bfd7ad/26232181033.pdfIn PDF document text
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/871f20882325cb4b843f25e98c0b3d37/66924560696.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607607fd23e92---zokaxupagenenizuwinujow.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_off0000f0ab.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF0AB	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off000108bd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x108BD	17376 bytes
SHA-256: `a5132cccc95117980b639d57bccae815ab5d71ecc2ebebf360d04dbeaf54e6b9`
`font_02_sfnt_off000135f2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x135F2	10104 bytes
SHA-256: `a6cf8846657bea2f4e879cd1b605c12ab2892c3ab38729197d43d1a977fa728d`

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