MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm pointing to numerous PDF documents hosted on compromised WordPress sites. This structure is indicative of a phishing or malware distribution campaign, where the initial PDF serves as a lure to access further malicious content. The ClamAV detection and ML classifier further support its malicious nature.
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://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f8facac653---mazilomufole.pdf In PDF document text
- http://kepco-group.com/uploaded_files/userfiles/files/nanokikidagatinofuwiv.pdfIn PDF document text
- http://dfwsedan.com/nbloom/fckuploads/file/nivumunozavesod.pdfIn PDF document text
- http://secohthailand.com/file_media/file_image/file/67644500700.pdfIn PDF document text
- http://ippon.lv/uploads/File/gunewuled.pdfIn PDF document text
- http://eastcoastbiker.de/sites/default/files/file/1193997967.pdfIn PDF document text
- http://obkladlazby.cz/userfiles/file/zulovovis.pdfIn PDF document text
- http://xiangzhuan.tw/upload/files/74183343567.pdfIn PDF document text
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/add734c456cf3007a8516e90b8733b89/jamamagujoxebo.pdfIn PDF document text
- http://clear-es.net/yamituki-n/uploads/files/bezetikuvonapuvotufuwo.pdfIn PDF document text
- http://zamel2.pl/userfiles/file/lawimopisimovavenajibe.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614f84f95baa7---kajepowalumimogafed.pdfIn PDF document text
- https://enilubricantvn.hoakhanh.vn/uploads/image/files/56487156732.pdfIn PDF document text
- https://inprovit.com/ckfinder/userfiles/files/gabusafupexos.pdfIn PDF document text
- https://acp-luxusingatlanok.hu/ckfinder/userfiles/files/jederuwuzote.pdfIn PDF document text
- https://drhuanghair.com/uploads/files/202109030701373798.pdfIn PDF document text
- http://etnorom.hu/pictures/zagimanugati.pdfIn PDF document text
- http://uniondrygoods.com/fckeditor/userfiles/file/81619813498.pdfIn PDF document text
- https://rotterdampools.com/contents/files/nuxadebitukujidoxuze.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/5c975ecbd41c6a751951ad1e4332f753/51346330294.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614b6570acf10---34128124251.pdfIn PDF document text
- http://icloudcleaners.com/uploads/account/autoresponderfiles/19147379417.pdfIn PDF document text
- https://jagominum.com/contents/files/18183279746.pdfIn PDF document text
- http://cozycornerexpress.com/uploads/files/sewuj.pdfIn PDF document text
- http://wadsoda.com/UserFiles/File/54244044306.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=picsart+hack+apk+downloadPDF 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_off0000b866.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB866 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d078.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD078 | 17808 bytes |
SHA-256: f8f0820bd84f3c01315f45edb6a532c96965627cb7388da3184eef0ebb5e5bb3 |
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font_02_sfnt_off0000fe29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE29 | 10656 bytes |
SHA-256: 46a89d4ed0608ecda10c83b70ca2a0fc3865ad0b1d43b1aa98b64e8ef20bdc31 |
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