MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://auldskoolrocks.com/clients/878384/File/fosaxebenefuzupabamikibe.pdf In PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/e20d3ec5e89b26c413073b89a8cd4b12/76752831336.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/eb468b9f33b1f14fc96fc40e9cfb5abd/19011216458.pdfIn PDF document text
- http://iphonedown.com/ckfinder/userfiles/files/kofale.pdfIn PDF document text
- http://eugensa.lt/app/webroot/uploads/userfiles/files/99471593866.pdfIn PDF document text
- http://bookblog.kr/data/file//files/33045964653.pdfIn PDF document text
- http://badischer-kunstverein.de/ckfinder/userfiles/files/xelomiposuparawo.pdfIn PDF document text
- https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/6d450ab4fa816f4e1384a68b6e771c30/94834421065.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16074b1872a91c---muzupiwumonaforoxesobib.pdfIn PDF document text
- http://wych123.com/upload/files/88295224447.pdfIn PDF document text
- http://dental-forum.ru/userfiles/file/68379645132.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e856bbdc950---27697166600.pdfIn PDF document text
- https://aihr-iadh.org/uploads/FCK_files/file/58328921190.pdfIn PDF document text
- http://ahrestygz.com/userfiles/files/20210603_113308.pdfIn PDF document text
- https://duvanco.be/docs/files/dovifivosoluba.pdfIn PDF document text
- http://phuocthuan.vn/images/pic/file/fopiroxosojo.pdfIn PDF document text
- http://tao123.me/pro_pic/files/33811635567.pdfIn PDF document text
- http://xn--d1achljw0b.xn--p1ai/content/upload/gupunanetaruvenad.pdfIn PDF document text
- http://www.anieliasfx.com/uploads/textareas/file/gusexenebuzugavo.pdfIn PDF document text
- https://www.verimevzabavu.cz/ckfinder/userfiles/files/9339680113.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/e2cd778a048d0f6f9fbad5934617c91a/religarop.pdfIn PDF document text
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/f0ef8e702cb903bae167dd398ef80c10/83189195479.pdfIn PDF document text
- https://medprobr.com.br/wp-content/plugins/super-forms/uploads/php/files/c0e2735c2db307f4adc5eafc93973b80/dotaravo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=vw+t5+workshop+manual+pdfPDF 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_off0000ead6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAD6 | 17484 bytes |
SHA-256: 0cff5a68b8e69f3c0061565c3958382b5d9aca0d9f02132408e8250deafeb2d2 |
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font_01_sfnt_off0001190e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1190E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013125.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13125 | 10920 bytes |
SHA-256: 27820eed0d170ec018f102de3017a7d15366de3438f24b6cb96b9aabb8a685fc |
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