PDF malware analysis — malicious · f87e1340bc968056

MALICIOUS

PDF

73.3 KB Created: 2021-11-19 00:34:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17

MD5: 07c2c434ad7c64832a52ed30e2b9c924 SHA-1: 00541ae87625934c1cb14cefce0345c5772a2c80 SHA-256: f87e1340bc96805679be360c7b3f953ba4dc6f37c6270c50dcb58b7efc4a6f8f

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9963

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://tincorner.vn/uploads/files/56923383893.pdf In PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16153fe64d0f83---21033188499.pdfIn PDF document text
- https://celebicatering.com/upload/ckfinder/files/2949065134.pdfIn PDF document text
- https://s-oil.hoakhanh.vn/uploads/image/files/dusuloxesuv.pdfIn PDF document text
- http://heninrealty.com/userfiles/files/10084456674.pdfIn PDF document text
- https://5703n1n6999-6a55.com/contents/files/11362321144.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616b506f1e978---24461765881.pdfIn PDF document text
- https://pvcmikser.com/upload/files/61764187819.pdfIn PDF document text
- https://togelunited4d.com/contents/files/kewot.pdfIn PDF document text
- https://somogyplusz.hu/files/29433521600.pdfIn PDF document text
- http://bebsulmare.com/userfiles/files/viwexutosawibobuf.pdfIn PDF document text
- http://wrtour.com/FileData/ckfinder/files/20211005_EF357E9992850AE1.pdfIn PDF document text
- http://redagowanieprac.net/Upload/file/63378079161.pdfIn PDF document text
- http://malopolskiszlakwinny.pl/upload/File/fafodebukenewokopexofut.pdfIn PDF document text
- http://areaengineeringsrl.eu/userfiles/files/pamevukifapanu.pdfIn PDF document text
- http://andreaslasnik.com/data/files/dumazejitode.pdfIn PDF document text
- https://aljazeerahpetroleum.ae/userfiles/files/25099415197.pdfIn PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/kc8bg1tnnplqje9tlst6beu8em/nipuminedutetok.pdfIn PDF document text
- http://giaexploring.it/userfiles/files/43304503104.pdfIn PDF document text
- http://tbff-bygg.se/img/files/17338230742.pdfIn PDF document text
- http://www.biogreeno.com/cms/ckfinder/userfiles/files/lemexomisafoninonufabuwej.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/2I9n2o-U8HI/uplcv?utm_term=why+is+it+good+to+choose+your+baptism+name+for+confirmationPDF link annotation
- https://mediaget.com/userfiles/files/wejerunupiwis.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_off0000b7ed.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB7ED	11368 bytes
SHA-256: `527feabfcbf5ba2a244bb682818e8f19da76238dd7010727332944a61da8683e`
`font_01_sfnt_off0000d226.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD226	16540 bytes
SHA-256: `45015263e28dbf00792e0fa83ae0fb9123af5110209f191c00797c49350166ef`
`font_02_sfnt_off0000e947.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE947	17704 bytes
SHA-256: `df81679e3c3da56d0e3794ea7b5ed97a1b2b693da0dc119dda458442c335b42f`

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