MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected by ClamAV as Pdf.Phishing.Trojan and an ML classifier flagged it with high confidence. The PDF contains a link farm pointing to multiple compromised WordPress upload directories, suggesting an attempt to distribute malicious content or phish users. The presence of multiple distinct hosts and disposable hosting indicates a tactic to evade detection and distribute payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9751
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 http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c4d47a2cf7---61251217362.pdf In PDF document text
- http://jrmhandling.nl/upload/file/84772985206.pdfIn PDF document text
- https://ckmusicdesign.nluserfiles/file/bozizulugosefiwo.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b483ee751c3---19080308645.pdfIn PDF document text
- http://farmaciafasolis.eu/userfiles/files/64050244060.pdfIn PDF document text
- https://korovin.org/site/img_ufiles/nuparawoxifadajavinanes.pdfIn PDF document text
- http://ahdongjiu.com/upload_fck/file/2021-6-27/20210627185226181007.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de1c918c86d---1008841240.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a36037c4d80---1917725865.pdfIn PDF document text
- https://pjkconstruction.ca/images/file/ratimo.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6e5668951---jamomo.pdfIn PDF document text
- http://dalnoboy.net/data/filestorage/upload/files/nupoboke.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/e8cfd99313f4e2973c6e508d3fcde64d/62410251747.pdfIn PDF document text
- http://billedbutikken.dk/articlefiles/file/viganofutad.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160924e8ac5908---31557292899.pdfIn PDF document text
- https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/5e453cb8b93b561a235ca0b46f5d98ad/jipidixodijanupubowo.pdfIn PDF document text
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9bc51c5e1---6290790671.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b0405f5ca46---70615876116.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b640a0be949---52733986666.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d0cf894b8b---fezobalowidig.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/dd2hvh6ih3hbr2acl8ta9cv9ir/jafuvolasigumomixesal.pdfIn PDF document text
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/hbe0vftdmg1e2o9dt6t6qmjfmt/42672096709.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c0455d0e85---xumupoxerelilinem.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1acf236c1---vifuteduxitazupan.pdfIn PDF document text
- http://banner-ever.com/ckImg/files/72424778951.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=lego+mindstorms+ev3+gripper+building+instructionsPDF link annotation
- 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_off0000f7ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7CE | 11132 bytes |
SHA-256: ae87d622637224a740a2d9f2fdab38d2bc1f9e2411e29a916abdbc232be3be65 |
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font_01_sfnt_off0001115f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1115F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012971.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12971 | 18744 bytes |
SHA-256: d94151019d5ed8cedbbffb34e041413190a2811e668ea76a1eddf1b0065c7b8a |
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