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, directing users to multiple external URLs, some hosted on compromised CMS uploads. The presence of numerous links on disposable hosting further supports a malicious purpose, likely phishing or SEO abuse.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2fa809a2e---xesupafu.pdf
- http://daydreamspin.com/userfiles/file/67598407528.pdf
- http://jucal.es/images/file/jidepupanizoz.pdf
- http://techbis.pl/files/file/minomuxowosixuw.pdf
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff48debb34---93614052573.pdf
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/d9vdtobt22hdqit8ki6tqdf8l6/tutebevakuzedotugabufuxe.pdf
- http://omonetach.pl/foto/ilustracje/file/zuxatadaw.pdf
- https://boyanbolyarski.com/userfiles/file/jabof.pdf
- http://amuseonline.com/absite/userfiles/file/74266941553.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/79681036d8d24005b5415ecc5be0a243/65597210631.pdf
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/eb88736f00d2ce4926edca5b107ef927/64821426389.pdf
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/ecc5a671aa752269de4cf8fab0e3161b/46424328608.pdf
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/afbdce1beea5dab50c3483875e0c1a90/puwadevijamesax.pdf
- https://alate.org/admin/fckeditor/editorfile/regawavozif.pdf
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4082d80318---wojadekegeziradez.pdf
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/08e982dcce2ff2587e7ab369648aaebd/6101274031.pdf
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/8gjg8ul9u1c2aeshp2trobn611/malikokexeduvelaxilebola.pdf
- http://parkhighclassof60.com/clients/871169/File/9755512352.pdf
- http://shopsuathientu.com/uploads/userfiles/file/43678956178.pdf
- http://bukvoznaika.ru/ckfinder/userfiles/files/peraxogiverop.pdf
- https://ubk-sad.de/azubi/userfiles/files/99711610942.pdf
- http://rrbrentacars.com/files/others/50356787290.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a4d83a5a9---xuzetag.pdf
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b408040193d---37549254993.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=five+nights+at+freddy%27s+ultimate+custom+night+download+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_off0000f873.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF873 | 16792 bytes |
font_01_sfnt_off00011085.bin4f6b6f430d2673eea66a8fd3a7ce7c5dfadb0c4226f61b9ec10dfd5f5058ca43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11085 | 17796 bytes |
font_02_sfnt_off00013e46.bin554d6cc55bfb7b748fe7a1798ebacb73ec2fae311c0ede097e09af4d08c268b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E46 | 11536 bytes |
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