MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The presence of external URIs and link farms on disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://crysiq.ru/uplcv?utm_term=the+transporter+2+2005
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bfae80e65d---wafize.pdf
- http://chsbicentennialclassof1976.com/clients/c/c2/c283bfa2537a82fb79a670aa087b4bd4/File/1538131070.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/8f319db0910668795eb1d10cb1ec8941/45552704976.pdf
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/8b2a2bdc31c6952f27932a3436cbd131/48123395836.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdf7050acd5---12936432942.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/2448fa9f2ad3105dd70e7fd120dcf588/kabalikoresi.pdf
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b084249b1ce---vurenofipugubijixetufenop.pdf
- http://paradisetourkorea.com/FileData/ckfinder/files/20210614_1EA8C4C3DD87D438.pdf
- https://actorconseil.com/files/file/54509531968.pdf
- http://msslink.ru/userfiles/files/53419840826.pdf
- http://kondicionery-vidnoe.ru/upload_picture/file/nunobopuwewagafakalafade.pdf
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607865ebde081---pagasuzubepuxolisimimade.pdf
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/ad2f4dddb6c75a28606033f48cfa7c58/balififimije.pdf
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/rfhtu8qfg1nk86bdmuopq8nu65/26865364455.pdf
- http://hysansam.com/fckeditor/userfiles/image/zijorisaxegefez.pdf
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/bdnhplmh4gjr5gslgc64prrv77/fuwarom.pdf
- https://bandai-k.com/userfiles/file/pitegejumuweliw.pdf
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606f762720bb8---lepapupe.pdf
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/507744b3e543e2d36eeba94f9e4e8c26/zepekaxakopaw.pdf
- http://www.sport-konyv.hu/userfiles/file/sinowuwusisagowi.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b64dd02055---fememo.pdf
- https://samsungvrvklima.com/upload/ckfinder/files/74716189708.pdf
- http://terezmisszio.eu/files/file/92117594915.pdf
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba33b11e22---sarorup.pdf
- https://tenfci.org/userfiles/file/4801726406.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000da68.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA68 | 16792 bytes |
font_01_sfnt_off0000f27a.bin22692a68b847bc9c734b19193357bb18d09fa6e5ef5704c2bdaaf68e50d5e6da |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF27A | 21956 bytes |
font_02_sfnt_off0001286b.bina8a2564c11c549812c3265f971dd82283dff9d0f4b008e68cac298d968f1f063 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1286B | 10548 bytes |
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