MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users. The ClamAV detection as 'Pdf.Phishing.Trojan' and the ML classifier's flagging further support a malicious intent. While no scripts were explicitly extracted, the nature of the URLs and the heuristic firings indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.5181
Heuristics 5
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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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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://archism.ru/uplcv?utm_term=power+director+pro+apk+no+watermark PDF link annotation
- http://thietbimaugiao.vn/Images_upload/files/purorifipopexiteluxalo.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614e4b56855c0---6678105423.pdfIn PDF document text
- http://palazzodiaz.com/userfiles/files/89293972040.pdfIn PDF document text
- http://pro-group.ru/userfiles/files/zawokitukovatane.pdfIn PDF document text
- http://swotaweb.com/img/upload/file/gowodopibabekibi.pdfIn PDF document text
- https://swaarm.de/app/webroot/upload/files/zefeduve.pdfIn PDF document text
- http://tk-weld.com/images/library/File/82180513017.pdfIn PDF document text
- http://chelseafoodmart.com/uploads/files/87591513558.pdfIn PDF document text
- http://dentalweek.eu/userfiles/files/87901434161.pdfIn PDF document text
- http://clarksville.net/wysiwygfiles/file/60354933694.pdfIn PDF document text
- http://fcgo.tw/uploadpic/files/piked.pdfIn PDF document text
- http://luyutea.net/v15/Upload/file/2021916418542761.pdfIn PDF document text
- http://lonniestireandauto.com/nbloom/fckuploads/file/57537592244.pdfIn PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/hnp52v3n0pot3hfva6g05s1trt/vakefava.pdfIn PDF document text
- http://ediljolli.com/userfiles/files/64787647892.pdfIn PDF document text
- http://jandenzobv.com/image_uploads/file/golopiw.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/fikurifufikixalubafa.pdfIn PDF document text
- http://deborahmayerlawoffices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mifemikolagukonakevas.pdfIn PDF document text
- http://air-separation-supplier.com/d/files/midogikexevomilulixusu.pdfIn PDF document text
- https://webmedcentralplus.com/userfiles/file/favanodotumimaxonolo.pdfIn PDF document text
- http://pointerboards.com/uploads/admin/files/xezedigobilejutefotujojuw.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613475bd8d910---96091568500.pdfIn PDF document text
- https://hsdinstruments.nl/uploads/files/balimagozefovurezirofiwa.pdfIn PDF document text
- https://ecohort.biz/userfiles/files/73004731266.pdfIn PDF document text
- http://ttlh.vn/storage/ckfinder/files/11680762080.pdfIn PDF document text
- http://zuche0551.com/upload/file/jomeregorumujeko.pdfIn PDF document text
- http://boekenwinkelindex.nl/images/uploads/71438720996.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b5db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5DB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cded.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDED | 16760 bytes |
SHA-256: 0d860245dbcd2b979f3cf7e4a0a0377a5312d4469d53d6531894cdc2674c9ff1 |
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