MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute malicious content or phish users. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/fjk40jb00phm1prmr14n5k08o8/laponopaferosagi.pdf
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/57nn52u7cmfr23a6mma451gcdf/29299963344.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b7cf99cef---55110580700.pdf
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607771d5d1035---50501758765.pdf
- https://etcbt.com/userfiles/file/31198235047.pdf
- https://egf.tw/test2/images/file/ruxotegikedotazepupax.pdf
- https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/0e0e3832ffaa9f9c892e18c72ea08f23/28125597820.pdf
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/3hhv7jr5mo9a6uv0beg7butj1d/53934335189.pdf
- https://communeouchamps.fr/userfiles/file/dikofikasudipakebeli.pdf
- http://degrossier.nl/uploads/file/sefulemubududikidoputuj.pdf
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/48pkihlkashvnsbsfrkb6rtnvt/wurobiretiniluwaxojex.pdf
- http://pritchardreunion.com/clients/81409/File/64453083780.pdf
- https://hrmconsulting.biz/upload/files/59861146773.pdf
- http://fitnessklub-impuls.pl/uploads/assets/file/99134695321.pdf
- http://digemnd.com/UserFiles/file/90390004051.pdf
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/1k2d6bpgu57cgavtme6pe85511/nawasolifubodedifezezital.pdf
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c07a92b5bea---daxofatizov.pdf
- http://gwardiajuvenia.pl/zdjecia/fck/file/simonu.pdf
- https://mnlex.it/file/jitazobuxikefo.pdf
- http://esipro.lu/userfiles/file/juzurivopazun.pdf
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608fa4645771f---lefabipojuzebavolunidaw.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/otal95t2uajo8dico552dh46n6/60097295663.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/0dc262060489f16dc6feff7f8e4d7af5/jimaga.pdf
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/9ipul082md1fiebjohtchq5264/judavuj.pdf
- http://ottotech.center/userfiles/file/71434764421.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=football+schedule+pdf
- 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_off0000c4cd.bin0644532df4403b946cd004d649003dccbaac3475cb4d6bda0d018b1195d6d471 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4CD | 10640 bytes |
font_01_sfnt_off0000dd1e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD1E | 16792 bytes |
font_02_sfnt_off0000f530.bin800eaf8973f389e9a432fed3d3703eb9be728ee662bb54d37a8901c2cd39d15f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF530 | 15868 bytes |
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