MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV also detecting it as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload storage, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' lure and callback phishing indicators further supports a phishing or scam-related attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 8
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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 https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/93bf14612ce2450b9ad6b9d66e527442/98186949378.pdf
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab084553ef---razewemejegevanikuxugex.pdf
- https://winpoasia.com/ckfinder/userfiles/files/95978724231.pdf
- https://a-guskov.ru/uploads/files/buzodov.pdf
- http://hublihorse.com/uploads/userfiles/files/99279256467.pdf
- https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/begipafenuvedekokemoli.pdf
- https://abogadosaccidentealicante.centralcms.cloud/galeria/files/49333728955.pdf
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bbc60b1e6e---gerekisuku.pdf
- https://thepainter.asia/upload/files/xotezipinaz.pdf
- https://hsse.cl/files/34188711565.pdf
- https://toolsatool.com/userfiles/files/99989383237.pdf
- https://www.huaikrachaohospital.go.th/assets/global/lib/ckfinder/userfiles/files/megelubasunoxunanedigabun.pdf
- http://mariancozma.com/_user/file/9278727981.pdf
- http://blfimmobiliare.com/userfiles/files/noxezuzawonezo.pdf
- https://immsac.pe/sgi_userfiles/userfiles/files/wopadi.pdf
- http://aristosaigonhotel.vn/uploads/files/lamivafapezuwemufogajawat.pdf
- http://assessmentinsight.com/ckfinder/userfiles/files/jefupaperiditikoviro.pdf
- https://stop-remont.ru/ckfinder/userfiles/files/nizalumofakutoxamunafu.pdf
- http://solartgaleria.hu/images/file/19676493580.pdf
- http://diegogenna.it/userfiles/files/34416693780.pdf
- http://tabouligrill.com/ckfinder/userfiles/files/59941650509.pdf
- https://dom4m.lv/userfiles/files/fimenunusunefuwovuva.pdf
- http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/7243848945.pdf
- https://longhungphat.org/Images_upload/files/6186244901.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=new+movie+download+app+apk
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e288.bin9ad3422cab8839b25c9083e0bd12236d982ae66381b4b76f31038079b343ba9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE288 | 10408 bytes |
font_01_sfnt_off0000fa09.binc2c35061397a0cc32ce1f71fc285716a5697255e15d0746e59f93e74b8517937 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA09 | 18248 bytes |
font_02_sfnt_off00012947.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12947 | 16792 bytes |
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