MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to compromised WordPress sites, indicating a link farm designed to redirect users. The presence of a ML classifier flagging it as malicious and ClamAV detecting it as a phishing trojan further supports malicious intent. While no scripts were directly extracted, the PDF structure and link farm behavior suggest it's part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16139c4959baac---norug.pdf In PDF document text
- http://slesnick.net/userfiles/files/3038416487.pdfIn PDF document text
- http://www.taxivanclass.com/uploads/ckfinder/files/60451655230.pdfIn PDF document text
- http://lnshiyue.com/userfiles/file/20210902221514_776292989.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134d570e066f---wozig.pdfIn PDF document text
- https://interior-mark.com/ckfinder/userfiles/files/papumagof.pdfIn PDF document text
- http://alotercuman.com/ckfinder/userfiles/files/tetunose.pdfIn PDF document text
- https://serviceelectric.ca/userfiles/file/82754057350.pdfIn PDF document text
- http://camberwelltaxi.com/survey/userfiles/files/fuwevekewofod.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/4973beaffcfd5c80b81a72746043905c/kozokufutegesapajakunap.pdfIn PDF document text
- https://cheeselicious.net/UserFiles/file/nojotoxitixikodeguvepu.pdfIn PDF document text
- http://dainichiji.com/upload_ckr/files/93127726041.pdfIn PDF document text
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/s67bcn80mkqgh3klukcnrc8dkl/44540082731.pdfIn PDF document text
- http://archiw.bibliotekalesmierz.eu/img/upload/files/49886854033.pdfIn PDF document text
- http://fantalife.nl/userfiles/file/9326608461.pdfIn PDF document text
- https://kcss.hu/korosi/userfiles/file/28679672256.pdfIn PDF document text
- http://ndc-group.ru/uploads/files/83273800891.pdfIn PDF document text
- http://nfc-lampang.com/user_img/files/15985635371.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/9bc60e58d81ec2cd0f0f408b75177d75/47362545421.pdfIn PDF document text
- https://vnmmalta.com/userfiles/file/xenululefivafiw.pdfIn PDF document text
- http://pbpharm.com/upload/files/74703531769.pdfIn PDF document text
- http://jindi2010.com/uploadfile/files/33355561671.pdfIn PDF document text
- https://dusunceokulu.net/resimler/files/dafojalewexitokiwizo.pdfIn PDF document text
- http://0575zl.com/userfiles/file/16250493179.pdfIn PDF document text
- http://aqbnb.com/uploadfile/file/lazewigidurixilarofegadi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=take+passport+photo+androidPDF 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_off0000bec0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEC0 | 16472 bytes |
SHA-256: fb8676c84aede5cd922f6f6136c492df0dcf1cbc91b67dd038d27c20fe88b494 |
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font_01_sfnt_off0000e8fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8FA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010111.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10111 | 10496 bytes |
SHA-256: fc19a69bddfd1cccf2f66f0bb1d331cf3bd2530a2404ba798d4a106992f1cce6 |
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