MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress sites, a common tactic for distributing malicious content or phishing lures. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were extracted, the structure and embedded URLs suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/gc4j9583jv1i8efrlm140gnmg3/36991081388.pdf In PDF document text
- http://eiak.org/upload/editor/files/28973981564.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082632650def---78312788589.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/7d626ccda89926b83870c950fa8c8fe2/36365529930.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097e5b1887ca---35814153272.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f30769b970---valozubajulelaranirewu.pdfIn PDF document text
- http://naasschoolofmotoring.com/fckeditor/userfiles/file/wevizigozamimuwapavu.pdfIn PDF document text
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16073d76c946d7---73158972112.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/287a9482578681f71395632ee2fcf79b/vuzepopowudapajowuvoj.pdfIn PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/d6f71bba838d2574ff371a3b3e863784/72920806802.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ddc2331629---wowonefazewifamafus.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/66663018953.pdfIn PDF document text
- http://dharmapremipariwar.org/userfiles/file/xigiloz.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/1nr5t2stillbnc1dujsqg6q47j/26245038005.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/793d81c7a8df89593885b305e3899764/77500902560.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160afd27dbdd9a---38148482092.pdfIn PDF document text
- https://apoiotelecom.com/imagens/img_fckeditor/file/sexikipetar.pdfIn PDF document text
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/46e4298a3bc3bb11fd25062a4f348f79/mozokazalekuxifezagumogan.pdfIn PDF document text
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3b8107294---romemaxokekamako.pdfIn PDF document text
- https://studiovizia.com/webroot/img/content/files/virep.pdfIn PDF document text
- http://www.moyekolodin.com/files/14496981039.pdfIn PDF document text
- http://fields-on-earth.com/86808352857.pdfIn PDF document text
- https://topinsolventa.ro/userfiles/file/susapamavowonozifalasedo.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a14439424b---ramepowesoredu.pdfIn PDF document text
- http://brandnewgoods.net/userfiles/file/kapowugudonomasagegos.pdfIn PDF document text
- http://jshtextile.com/UserFiles/file///nikaxolenol.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=thumb+in+palm+deformityPDF 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_off00010b33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B33 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001234a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1234A | 10912 bytes |
SHA-256: aca979687e66dbf37e3d7754610c974cf8fb641107423b169783e085194f8b4e |
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font_02_sfnt_off00013c0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C0B | 16708 bytes |
SHA-256: 32ce700a7b48f835dd03499859d466f8c9e26a6d8a58ca65448c8dd5c28b44c3 |
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