MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external links, many pointing to compromised CMS uploads and disposable hosting. This suggests the document is part of a link farm or phishing campaign, likely intended to redirect users to malicious content or exploit kits. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://uceng.net/_UploadFile/Images/file/46355004789.pdf
- https://rkdestate.com/userfiles/file/disikilovifidiwusoz.pdf
- http://wrtour.com/FileData/ckfinder/files/20210620_0DAED3341DE9C92B.pdf
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/6h88bisah1jvnd1gll479uh66o/73676040919.pdf
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/mlihcc0tgpjo1eetmke2l2cd6v/2120242532.pdf
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/pgcli8ggl0ni7nav188o2q54h9/juzifirepapokodiwofil.pdf
- http://niengrangchuyensau.com/upload/contentFile/file/1371103959.pdf
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/541oukgd5kelrpf1pe60ta38ik/dizufovizumuxaworixox.pdf
- https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/a28c6301b473726ba5fd989538c9ce95/tonoserikarugililuzazabuf.pdf
- http://ackerviewguesthouse.com/userfiles/file/fivigatus.pdf
- http://apluskleaning.com/admin/images/file/pudalarajopasodadit.pdf
- http://74ahs.com/clients/2/2a/2a132ee8da0778863662fd4b1fa251ed/File/57319164497.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16076a9167d644---23364192487.pdf
- https://anukulagrotech.com/userfiles/file/wumebogijodirijovafube.pdf
- http://pitin-akutsu.com/js/upload/files/rofizaw.pdf
- https://advantagelic.com/singhania/downloads/file/17792799030.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/5f71c3a966d3f19609461d334cbbd4a6/wamifutuxubojawifuxanakit.pdf
- http://prosquash.by/data/burubelutetegamoronixapad.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087c40fb89ef---76770562011.pdf
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8e57e1f87a---kukab.pdf
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/72734e7c1be3968e84dd132f30299bc7/55529952516.pdf
- https://digireg.gr/upload/41126860693.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+graph+antiderivatives+from+derivative
- 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_off0000f0e2.bin4ad26b6916c82396679ac79b0072c71f256a1617a94098fa65639ee336f7f6f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0E2 | 11040 bytes |
font_01_sfnt_off00010a3e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A3E | 16792 bytes |
font_02_sfnt_off00012250.bin810bbcfbe6b6d301f23fb86a786f905e7bea308713907b8cdd09c8467a926bf6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12250 | 17300 bytes |
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