MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites hosting other PDF files. This behavior is indicative of a link farm used to distribute malicious content, likely as part of a phishing campaign. The ClamAV detection further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier suspicious score 0.2770
Heuristics 5
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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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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://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1fed4a1aa6---93216776656.pdf In PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/62a136f02cc4a610bfdc5639813cd45b/xetodel.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608780f3cf664---ferisafu.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb2a3887235---8388238454.pdfIn PDF document text
- http://sutphinsgermanshepherds.com/clients/21958/File/sunufo.pdfIn PDF document text
- http://khyljg.com/uploadfiles/files/jutikoburegolakamir.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16079f7b498f32---dimigafawokazifenebazip.pdfIn PDF document text
- https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/cb83edba719dd1b33fd1686d4a9f92fe/58302521841.pdfIn PDF document text
- http://apsons.eu/files/file/5148598185.pdfIn PDF document text
- http://ownlines.com/upfiles/file/lumikoxumopapa.pdfIn PDF document text
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/482230a394757c503835aed2db3e4815/peraxuf.pdfIn PDF document text
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f5f9c44a7---85902757474.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/pahc22kmqk853r4blq7o573715/63735606816.pdfIn PDF document text
- http://sun-green.be/ckfinder/userfiles/files/35545771766.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074542a758e9---52373239168.pdfIn PDF document text
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/16073ebac248f7---kivoriwaguvewevadijivoxav.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16087a8889d7d0---kubez.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/93e18cce5db0cdf0cb93103b2f03332a/difijogazekux.pdfIn PDF document text
- http://ucity69.com/clients/861769/File/48293615639.pdfIn PDF document text
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/f0bfbk93r3552he7es1n3t6ft1/lurut.pdfIn PDF document text
- http://avvocatoandreabruschi.it/userfiles/files/11303438559.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0294064d2---86338484113.pdfIn PDF document text
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160703e89472cb---36028529052.pdfIn PDF document text
- http://polimak.pl/userfiles/file/15406241861.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a87a8611afe---56571356355.pdfIn PDF document text
- http://biomassasia.net/data_ed/userfiles/file/jagulinum.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/a46988dad8a84d7e54f84a22b8950a55/xokakuwujukudupiwopanoba.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=compliments+that+start+with+ePDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fe83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE83 | 10636 bytes |
SHA-256: e4bcbf475e9970c6f45c4fbbf3b69729a16fd7d6fde855551f36ee857e7d5ac6 |
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font_01_sfnt_off000116b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116B2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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