MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the nature of the links and the ClamAV detection indicate a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 http://heyumpnd.com/userfiles/file///35562000091.pdf In PDF document text
- http://samilove-payitforward.com/clients/f/f9/f9b0b202ed5d2cb263a89f8a9bd08a94/File/gotaren.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/307ac794498494270e1efedde38f7f31/1294977475.pdfIn PDF document text
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608aead0cd093---jageterapegizadenosu.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/f1a4e023a4891f09af8c3e4a4639e8da/55499540975.pdfIn PDF document text
- http://animationcoach.com/userfiles/file/zerejomaposusoze.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c62f6e17e10---zezunibilitutiwunem.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c6639275ae4---lojezijot.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/36b3819a2572251b3fb5d1aee2cc40b9/xoketejusidiva.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/2256555ae307ea706c7a71c99ac4ea71/fedimux.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/6c4fc5bbad76dd4385da37252dee339a/jokezimofe.pdfIn PDF document text
- http://classtool.info/upload/files/demelegi.pdfIn PDF document text
- http://cartopack.com/Images/file/7639989633.pdfIn PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/42fd2d0bc20969a034315705ac34ea68/66951313543.pdfIn PDF document text
- http://ahchala.com/img/file/49904352309.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/9391a550168476ab41dccd7acfa78975/disanofinusovezizevebofi.pdfIn PDF document text
- http://mikomisushi.com/uploads/files/xegikumalifidoj.pdfIn PDF document text
- http://ok-poland.com/userfiles/file/63623799647.pdfIn PDF document text
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dc32e80e20---nidavelatugelara.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c0e2fa05faa---91099718080.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/81f29c1b1104d5861287db340161e38e/77345171322.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/18b8d29352f08a815c6c7e891bcdfe29/nisagezab.pdfIn PDF document text
- http://blueyee.com/upload/file/062106319372.pdfIn PDF document text
- https://arerp.kr/data/file///56299331946.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=simple+probability+examples+and+solutionsPDF 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_off0000dadd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDADD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2EF | 17772 bytes |
SHA-256: b7ec67f026fb21debf50985f69f30ec484f6bc340981660c69eb49a87e6c3925 |
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font_02_sfnt_off000121f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121F8 | 11084 bytes |
SHA-256: 1f9292f65ef53838e5d3dc854143b9e393ec681b0d284b8299beac4e00fc2c77 |
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