MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress upload directories and other disposable hosting sites, suggesting it functions as a link farm to distribute malicious content or phish users. The presence of external URI heuristics further supports the attack pattern of redirecting users to potentially harmful external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://thinkglobalcompliance.com/ckfinder/userfiles/files/76556274033.pdf In PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/ok1u074l2j8b2d2c1bs3vrclkm/76454135734.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096dc81edecd---94958241599.pdfIn PDF document text
- http://jucal.es/images/file/35528828033.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/00a02de3c0b1b4fe0f2c076ae9509646/47495745380.pdfIn PDF document text
- http://dansensvenner.dk/imagesfile///tojeribofezulisawava.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c9df41bd779---jodamizi.pdfIn PDF document text
- https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/omina1ecn1706djcpgtiim3rg7/28540760242.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/udvovh2eg374pi3q1scb4mk2lv/54443062485.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/16073875cc5064---3933225789.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/ac185a1aec568c7a98251d52777e6ad0/rogajajovemodosoteselop.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/sf1oa588dpoi6q6vbvdrtna7g0/sadafifiraju.pdfIn PDF document text
- https://eminencesolutions.in/resources/userfiles/file/nulonakugovifafi.pdfIn PDF document text
- https://lienlacanien.com/img_pages/file/92779286665.pdfIn PDF document text
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/k5v00acbt6d1bhfiitbept8m8b/mawatubudimubabozolu.pdfIn PDF document text
- http://teplo76.ru/uploads/file/29866999039.pdfIn PDF document text
- https://jagamimpi.com/contents//files/ketuzumekufebiz.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/fskaasegnmjfp70hf45d0c1be5/86859936316.pdfIn PDF document text
- https://giriconsultancy.com/content_files/files/labusofapinezanafajix.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092e1b5c9035---soweraparodarobix.pdfIn PDF document text
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/8htlk8tccrnpgkru1njjn4i11d/vatavebuw.pdfIn PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/d7381df4ab13b7be53c83fcc6287b3b9/54858279766.pdfIn PDF document text
- http://np-laser.com/upload_fck/file/2021-6-19/20210619104245998796.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af01d9e6b17---poralix.pdfIn PDF document text
- https://hsse.cl/files/gapij.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=javascript+transform+string+to+arrayPDF 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_off0000ebac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBAC | 10816 bytes |
SHA-256: cd414d729cbf5d8b8f85c5c765ae3bbddf6c97bfc19550e711faa94937dfd149 |
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font_01_sfnt_off000104a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104A9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011cbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CBB | 17776 bytes |
SHA-256: af201e64bfa79ff5997b7c9ae6f28386628aa374291f5b14a0527c96df80e214 |
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