MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The heuristic 'SE_CALLBACK_LURE' indicates the document's content is designed to trick the user into calling a phone number, a common tactic in tech-support scams and callback phishing. While no scripts were extracted, the presence of numerous links to potentially compromised or disposable hosting sites suggests a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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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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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://fritz-fahrlaender.ch/download/60716380617.pdf
- https://sca-eagleegg5k.com/ckfinder/triplebuserfiles/file/mikufilorowu.pdf
- https://nistd.in/userfiles/file/paliro.pdf
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/3btmhqjd1reht81gk32j14r6nn/ruvotimer.pdf
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3d99696217---bolumezeki.pdf
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fdef8b2ae5---77679425290.pdf
- http://simmsfamilyreunion.com/clients/9/98/98d47f1658d09d39d77ba56043454c9c/File/67611975455.pdf
- https://accesoriosalmayor.com/images/userfiles/file/xafofamexolofizalozezuf.pdf
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078c3b3393c3---3470639893.pdf
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/b2eb645269cfeff82b6d163c0a197aeb/vizuga.pdf
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/af6dcd46b1effc41529ba979b1797726/38522466346.pdf
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b24e0351934---nizesapujokoma.pdf
- http://baldonimarcostudio.eu/userfiles/files/87913424622.pdf
- http://www.wiz-fac.com/uploadImg/file/65594423038.pdf
- http://samurairamenbar.com/uploads/files/zowewotojesilipi.pdf
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072867307207---61686954344.pdf
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/a6b36c909b635f5e76c6760e60c15105/16204304308.pdf
- http://greenbiotech.vn/uploads/userfiles/file/32365390360.pdf
- https://doctornhospital.com/banglanews24/editorsfiles/files/gexikinawog.pdf
- https://jordan.si/dokumenti/file/64518916511.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c4050a1c396---58490473171.pdf
- https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/6c6c802ae2972ff8c2ff609905578033/pewuzadoj.pdf
- http://at2apigroup3.com/contents//files/gabafa.pdf
- https://limpiezasinasel.com/userfiles/files/70737234322.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=free+playground+safety+worksheets
- 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_off0000d6d4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6D4 | 16792 bytes |
font_01_sfnt_off0000eee6.bin5db934de2148441420b9ecd995ec3824785f3bdd0105912561d3012d78772017 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEE6 | 17148 bytes |
font_02_sfnt_off00011b37.bin93017b59b7fdf4d2e2363daafd8c89fa07d1f5e66c247f06e84febf1df24a301 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B37 | 11056 bytes |
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