MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains a link farm pointing to numerous compromised WordPress upload directories, suggesting an attempt to distribute malicious content or phish users. The presence of multiple external URIs and link farm heuristics indicates a clear intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
Heuristics 6
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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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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://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a37e0701a22---96479484521.pdf
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/4222a75f76c263b5e204ac10b1a401a8/navisitakebuwa.pdf
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085ac57cda2e---mesupoluxilurazex.pdf
- https://panama4d.com/contents//files/zapediwa.pdf
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/mq2o7vbjvr3b4l5j5qg24v5eo2/33354323347.pdf
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a9246a50f81---13604278576.pdf
- http://bigband-ulm.de/userfiles/files/97176574393.pdf
- http://xn--80an2aej.xn--p1ai/up/file/19939132020.pdf
- http://sh-ruiyangcpa.com/userfiles/file/2021-6///202168054295966.pdf
- http://artside.org/data/temp/file/kazokawajub.pdf
- https://hfdjet.com/wp-content/plugins/super-forms/uploads/php/files/2a20244b339985f308aab681b0df6bf1/91920486078.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160abc406ac2f1---19714003022.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ace6c3902dc---74270593079.pdf
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1608859892ac09---tobizexezozufawowapunopow.pdf
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/j89gpt11n0ivvc6841i04ka65o/43100079486.pdf
- http://feach.ie/images/uploads/file/bagaluse.pdf
- http://bclgrouptt.com/userfiles/file/likimofesukazowe.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/dbb04f3b520fcdb1dda564363af8d33e/wujuwodenevodagavakepe.pdf
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607239717722e---gelog.pdf
- http://zhouzhuank.com/v15/Upload/file/2021625532284661.pdf
- http://cycling-software.com/files/file/zajobuk.pdf
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/6df21439d7303b8584bffd9654ccdece/75212174061.pdf
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606d12cb6c664---40975597783.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=constricted+affect+meaning
- 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_off00011c0f.bineb7399c1d412c62fc320727e7e863e663357927de14549ffb36275e6b6341d7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C0F | 18224 bytes |
font_01_sfnt_off00014b5c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B5C | 16792 bytes |
font_02_sfnt_off00016373.bina808dedbe3e1b868590bbae8b16fe77b96dabd97593b261d96b01de925453d28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16373 | 10804 bytes |
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