MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically identified as a phishing or trojan threat by ClamAV. It contains a large number of embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, further obscuring its true intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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://crysiq.ru/uplcv?utm_term=ingersoll+rand+air+compressor+2340n5-v PDF link annotation
- https://iqmuseum.mn/uploads/files/48685923237.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078a1082eaf5---diwopibelaxisusuj.pdfIn PDF document text
- http://analogsys.com/uploaded/file/1571473742608de09e4e227.pdfIn PDF document text
- http://southeastern61.com/clients/0/07/0748cf78e2268043913ae7c14e09e996/File/51447463822.pdfIn PDF document text
- http://www.vikingmaterials.com/img/jakabisotikuzawotorebo.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/3c77d49cbff5e37ac8747c0b99f68ca9/46459798998.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606cba5a6f7a3---labotupobixokaxedide.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608481762a266---vujadejepedami.pdfIn PDF document text
- http://ellev.fr/upload/files/18298878957.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a0b458299---99231558841.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091884eb5842---patidip.pdfIn PDF document text
- http://vikingpaint.com/user_file/file/9993806371.pdfIn PDF document text
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/s1vl0k71idd51hjklnk5hqghpu/6090515194.pdfIn PDF document text
- http://faxik.ru/ckfinder/userfiles/files/bapozezipamazalojol.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/b388e40f88d7ee0dba8e3d74cadb047f/sodiwodoxo.pdfIn PDF document text
- http://fantalife.nl/userfiles/file/lugarorafemojiwarodup.pdfIn PDF document text
- http://domusanna.it/userfiles/files/xisikibebakenavokan.pdfIn PDF document text
- http://progfin.pl/userfiles/file/60745325816.pdfIn PDF document text
- https://erdenetpost.mn/userfiles/files/nezitobumetomob.pdfIn PDF document text
- http://recit-de-vie.fr/userfiles/file/21202016036.pdfIn PDF document text
- 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_off0000f56c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF56C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010d83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D83 | 11436 bytes |
SHA-256: 26f9f9cc430a8ba8a6ab544601ee44e65870e46eed45321941c6af09054b5e42 |
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font_02_sfnt_off00012863.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12863 | 16952 bytes |
SHA-256: 77d63653a28a0fe9dd5191a481cb29a45c92470735e2407c1953a1a8e9ffc72e |
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