PDF malware analysis — malicious · 478f55574a85cdbb

MALICIOUS

PDF

378.7 KB Created: 2022-04-03 22:51:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20

MD5: d984cedf759bc4a52befcb52c79e39a4 SHA-1: e3e646f9dc48495fd74741008926ce522fb6ee7e SHA-256: 478f55574a85cdbb8dca085d6c9dffcc8a48de9dbfd616826f36ae699a9c2337

166 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.5194

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
Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK

PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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.
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://wirut.co.za/XSRYdR1H?utm_term=leupold+rx+1000+tbr+manual PDF link annotation
- https://jixobufasov.weebly.com/uploads/1/3/4/3/134324480/wenuxu.pdfIn PDF document text
- https://lipanoragufa.weebly.com/uploads/1/3/4/4/134489679/8761109727432f.pdfIn PDF document text
- http://krattenreiniging.nl/media-upload/files/2614794675.pdfIn PDF document text
- https://tusanoxoledaz.weebly.com/uploads/1/3/4/7/134741707/c9a3d58acaa.pdfIn PDF document text
- https://tewazaxapij.weebly.com/uploads/1/3/4/8/134873756/wovofovexez.pdfIn PDF document text
- https://kodetowunim.weebly.com/uploads/1/3/4/7/134701578/1488500.pdfIn PDF document text
- https://silukirajewulo.weebly.com/uploads/1/3/2/6/132695932/56f7b4b8623.pdfIn PDF document text
- http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/18207162677.pdfIn PDF document text
- https://gencshow.com/upload/ckfinder/files/41662928630.pdfIn PDF document text
- https://lotinusola.weebly.com/uploads/1/3/4/3/134321880/vafawurog-tadofozemiz-gifavitudegutux.pdfIn PDF document text
- https://demimawuna.weebly.com/uploads/1/3/5/3/135389973/6534061.pdfIn PDF document text
- http://khamranghaiphong.com/upload/files/46191672069.pdfIn PDF document text
- http://saiprogetti.net/userfiles/files/19897658723.pdfIn PDF document text
- https://maciejabramowicz.pl/upload/files/file/48135672245.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/2a2cbepstu0208cj7shok1rkdg/46833332217.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/7f45649be5e23281c98758d0fbb9be3f/gularul.pdfIn PDF document text
- http://fkm-lux.by/var/upload/file/38595800578.pdfIn PDF document text
- http://dalycity.com/wysiwygfiles/file/88007953444.pdfIn PDF document text
- https://lizelizana.weebly.com/uploads/1/3/1/4/131409616/votalebexof_muludo.pdfIn PDF document text
- http://atad.ae/emanager/assets/ckeditor/plugins/kcfinder/upload/files/gowotelaxalivepotogajik.pdfIn PDF document text
- https://digufotunu.weebly.com/uploads/1/3/4/2/134266503/dudajapuxoda.pdfIn PDF document text
- http://villapastello.com/admin/data/files/files/85680588544.pdfIn PDF document text
- https://pujosudenavi.weebly.com/uploads/1/3/4/5/134508056/66f59fb.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/bb3d9ca16de34566ed1f29351fbc391a/96721034619.pdfIn PDF document text
- http://texinpack.com/uploadfile/file///2022032718534270.pdfIn PDF document text
- http://bualuang101.com/backoffice/upload/files/filipuj.pdfIn PDF document text
- https://pukokisawar.weebly.com/uploads/1/3/4/7/134749025/pozerarakikis.pdfIn PDF document text
- https://dogopakuva.weebly.com/uploads/1/3/4/6/134698139/fupufol.pdfIn PDF document text
- https://alsharqcc.com/userfiles/files/visatanipajudaro.pdfIn PDF document text
- https://zororoxuz.weebly.com/uploads/1/3/4/3/134309160/zisegilifikon.pdfIn PDF document text
- https://gutazalofekeva.weebly.com/uploads/1/3/5/3/135395177/mutomiletotisizef.pdfIn PDF document text
- https://textosolutionslinguistiques.ca/upload/editor/file/tupadesipulebarefi.pdfIn PDF document text
- http://goansausages.com/admin/ckeditor/kcfinder/upload/files/jukifib.pdfIn PDF document text
- http://cnf.toroudshomal.com/admin/upload/files/bifilizabe.pdfIn PDF document text
- https://crownprolaw.cn/userfiles/Proj_Name/files/rebalekib.pdfIn PDF document text
- https://vinemexip.weebly.com/uploads/1/3/4/3/134306635/kisakitovo-viruduki-rabox-raputuga.pdfIn PDF document text
- https://bodegoncriollo.com/userfiles/file/35732310351.pdfIn PDF document text
- https://jabenawonidibe.weebly.com/uploads/1/3/5/3/135385032/bac78.pdfIn PDF document text
- http://gonganmi.com/userfiles/file/82860687702.pdfIn PDF document text
- https://gulugisexebo.weebly.com/uploads/1/3/4/0/134017710/nidaw.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_off0005744b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5744B	10768 bytes
SHA-256: `61f5ab7d4292e7e3d387d9a5e9baddf1b5dc31c92cdf1eae6e0446c93eb0d878`
`font_01_sfnt_off00058cd5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x58CD5	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off0005a4e7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5A4E7	20416 bytes
SHA-256: `a9dcb9ea3082e342c301fcaa8ae9935f1141b80574b89da2cdf4fff41a077500`

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