MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the presence of a link farm pointing to disposable hosting and compromised CMS uploads, suggesting a lure to download further malicious content. The embedded URLs, while numerous, do not provide direct insight into the payload, but the overall structure strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://gldbirdgel.com/user_img/files/pujisirezole.pdf In PDF document text
- http://campbellelectronics.com/uploads/jojivad.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136a41c68413---87436782113.pdfIn PDF document text
- http://kleinschadenexperte.de/userfiles/file/65525746033.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614162ded3100---belukirolab.pdfIn PDF document text
- https://anmoul.com/userfiles/file/laligitimojikoluke.pdfIn PDF document text
- https://marcuspietrek.de/MARCUS/files/file/lumivabamiwadasezudokipu.pdfIn PDF document text
- http://benthanhsgfarm.com/images/uploads/files/tolumonabazujobupotafakex.pdfIn PDF document text
- http://kaies.cn/upfiles/file/67824973185.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/a8cad571be2445588f60419a1d835b0c/xiremokisisufudul.pdfIn PDF document text
- http://studiophotosfashion.it/userfiles/files/10555222001.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/161374be0d2852---pomed.pdfIn PDF document text
- http://yejida.com/userfiles/file/9185050283.pdfIn PDF document text
- https://cdmsig.com/ckfinder/userfiles/files/diredafoz.pdfIn PDF document text
- http://binhchuachay.info/Images_upload/files/35885185914.pdfIn PDF document text
- https://ibericadearmerias.com/file/kejurozusedodekedo.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/161458a74267f7---nelokakejixarititin.pdfIn PDF document text
- https://dunaweb.co/bg_image/files/tulubaxuloxinerow.pdfIn PDF document text
- https://coffotea.com/uploads/files/202109031338082107.pdfIn PDF document text
- http://sklepjola.pl/userfiles/file/63392276205.pdfIn PDF document text
- http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/37251372774.pdfIn PDF document text
- https://trouver-une-ssii.com/img/pics/files/zepive.pdfIn PDF document text
- https://vmwarts.com/ecovic/file/6355655646.pdfIn PDF document text
- https://bouveau-consulting.com/userfiles/file/filapugakefox.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=temple+run+free+download+for+pcPDF 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_off0000bf6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF6B | 10572 bytes |
SHA-256: 85f2d636043112c87a833b7c9d1cb10bdddece779962b5416db3df548bda0e62 |
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font_01_sfnt_off0000d78d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD78D | 17336 bytes |
SHA-256: f5cec9724371cc40492f1aa16a176cc3e6338a356b4f9983bbe45a4fa24955d7 |
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font_02_sfnt_off00010423.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10423 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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