PDF malware analysis — malicious · 5d849ecc56be165c

MALICIOUS

PDF

89.8 KB Created: 2021-10-11 00:13:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18

MD5: 6ae966709045c2acbe4c4d89235127a9 SHA-1: 61028cf385a32d655f4d094ee446f0414f50c019 SHA-256: 5d849ecc56be165c454325a8b9f851676d5555db1276090f3d554cdcb3033d43

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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://haisushitogo.com/uploads/files/61854827539.pdf In PDF document text
- http://aokisuper.com/ckfinder/userfiles/files/34285944437.pdfIn PDF document text
- https://hbfilm.ca/resimler/files/695904995.pdfIn PDF document text
- https://www.moxiclear.com.au/application/third_party/ckfinder/userfiles/files/meposujunopa.pdfIn PDF document text
- http://utcsp.rustyramone.com/uploads/files/savokosoralelisup.pdfIn PDF document text
- http://jawarakreasi.com/file/demidalesukokiruvirepis.pdfIn PDF document text
- https://onlinendttraining.com/files/82311061783.pdfIn PDF document text
- https://hankilfood.com/upfile/files/sasoxapirixorafiju.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dce7821a81---53990308322.pdfIn PDF document text
- http://henghuitong.com/jingkelun/userfiles/files/20210916200511.pdfIn PDF document text
- http://polesprogettazioni.com/userfiles/files/kidowutaguzawuranofoxus.pdfIn PDF document text
- https://taiwancy.com/app/webroot/userfiles/files/29397236274.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16152e38820430---gupos.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/99457142658.pdfIn PDF document text
- https://tjp2-hotlink-j3t.com/contents/files/kowajefepazip.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/161419a975b69b---85027232273.pdfIn PDF document text
- http://s13cf5ef.alojamientovirtual.com/ropalaboralbarata.com/userfiles/file/52075582036.pdfIn PDF document text
- http://mosjob.ru/images/file/xisawo.pdfIn PDF document text
- http://vietsonplastic.com/uploads/userfiles/file/6187996046.pdfIn PDF document text
- https://safetypadlocks.eu/eurostyl/photos/file/51010543403.pdfIn PDF document text
- http://marmaraisg.com/images_upload/files/54690611360.pdfIn PDF document text
- https://birotex.rs/images/files/xukosax.pdfIn PDF document text
- https://dragonexpressml.apnaconsultant.com/userfiles/files/4209526209.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=4+word+answersPDF 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_off0000f7b1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF7B1	10072 bytes
SHA-256: `9623665febe02753353387f7def3f71e7e9b31ac0e3e58493d4b5e4622915d31`
`font_01_sfnt_off00010e4a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10E4A	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off0001265c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1265C	20280 bytes
SHA-256: `59255410830a24d09910816729393d08fa929f72e16f72a2b0caf421e24b52bb`

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