MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and unreadable, preventing a more detailed analysis of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9866
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://iringmalaysia.com/ckfinder/userfiles/files/zivimidajevid.pdf In PDF document text
- https://hpsoft.shop/upload/files/noligejepamekemog.pdfIn PDF document text
- https://ferado.vn/userfiles/file/93997714876.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fc34cec0f9---sakegisavuxinigo.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/3qatgn0fckrm7gnu4m597dhu7c/20410391998.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/gevijiwajiguw.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5de982173---fitoxatimokakovexelitaf.pdfIn PDF document text
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/cc7081d6a38da2a0ff576e239979109f/22768884150.pdfIn PDF document text
- http://jtour.vn/userfiles/file/lepifenog.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/rh5paaadsqeqs1h858r4v36pmv/wobokodenowoz.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c4fb61e6ae6---31233864239.pdfIn PDF document text
- http://abc-tel.ru/data/File/xiberitabaxezi.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ki1u3314u7rmhquuovfq902vu0/28904602089.pdfIn PDF document text
- https://manuscripthandler.com/userfiles/file/fifulugovadepirutenu.pdfIn PDF document text
- http://huntland.hu/upload/file/30655328203.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8a21764503---70692359966.pdfIn PDF document text
- http://tragadsonisurat.com/ckfinder/userfiles/files/31770567589.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/e4a28992fbc9d335c5af6b41a6a01269/rudenu.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c62aeb3419---89711514736.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/0160bff9d34747544a6ac6e1a29598f6/jikukofilujoxam.pdfIn PDF document text
- http://fandimnarodaku.cz/upload/file/33658390622.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a68d1181ee8---kuruxurapa.pdfIn PDF document text
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160cb2b67e6279---25302260434.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160abf3e08d0fa---38010531382.pdfIn PDF document text
- https://efsanepin.com/calisma2/files/uploads/9039486899.pdfIn PDF document text
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/7m29qhgi52m826nb1epgur1c03/dutogimonagap.pdfIn PDF document text
- https://atlastoursntravels.com/userfiles/file/97913302935.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=instruction+manual+for+canon+pixma+mg2520+printerPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010324.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10324 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011b36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B36 | 16908 bytes |
SHA-256: 641a84faf8f862e12afd7a29a70df361f490911f10397c4c364161795dd35159 |
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font_02_sfnt_off0001477b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1477B | 11352 bytes |
SHA-256: e926b9504d6202d329c3be29e79bbf8618d5a7f099a405bc5ef8e367c43236a6 |
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