MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, pointing to numerous compromised websites, likely to facilitate phishing attacks or malware distribution. The embedded URLs, such as http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608520eacddf6---83381350022.pdf, are hosted on compromised CMS platforms, further supporting this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 6
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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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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.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/0ee47914009139b3b5576aa1ba833229/bekatapebugebeve.pdf
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160cfe1ec46a3f---38510651694.pdf
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/160928fd2aabc8---93836594160.pdf
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc24406d36---6820412996.pdf
- http://irinaburmistrova.ru/files/dukalenitowugax.pdf
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/8bgcmfs1gtq66biaj88relhngs/wojelexogex.pdf
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075989242d0e---13833514598.pdf
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071e37227db9---92578086934.pdf
- http://beiwendq.com/userfiles/file/59409192385.pdf
- http://harchovyk.com/userfiles/file/zavuj.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/16085587ea960a---991250385.pdf
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/dc31043df141ea51506721d9b1120215/foguwuxibagola.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/ac4efcda8089e140b77baa6d1601ab07/xijirogasokejipovidu.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160adebc0ce697---ruwetupukajaditideluf.pdf
- http://yamamatoen-wanwan.jp/ckfinder/userfiles/files/89127041140.pdf
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab009508b11---73769335316.pdf
- https://local-atlas.ru/userfiles/files/23269410349.pdf
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16099ac0d01715---7233894460.pdf
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608520eacddf6---83381350022.pdf
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/3f59bde00880061dbf9d1c0fcd78d8ec/56201852628.pdf
- http://donghozibistore.com/luutru/files/12283804168.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160786ab7c15f7---ripofedovanizofadimisil.pdf
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/eblmbk6s9c33nqkj7gsdg0adb2/50785169092.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c96d3c37842---jifowururenanimiware.pdf
- http://kokocurry.gm/userfiles/file/25429539136.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=in+between+two+rational+numbers+there+is
- 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_off0000d1f1.bin07d5bce4caad0249cf5f2213d50b6f92fd58782c044f61e94d0b6565b0ec98be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1F1 | 17436 bytes |
font_01_sfnt_off0000ffea.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFEA | 16792 bytes |
font_02_sfnt_off00011801.bin9d09780aea76fb7568360471b5927cfae7f19c84d0fc006fbabddb115d5cbfd8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11801 | 10648 bytes |
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