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. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious content or phish users. The presence of external URIs and link farms indicates a likely spearphishing attachment delivery method. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0b0244099---79090222379.pdf In PDF document text
- http://emailreceptionist.net/userfiles/file/mixuwaleruzegoromebusax.pdfIn PDF document text
- https://vayoto.vn/userfiles/file/56107853342.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/u8o48cb7292e7i8cnkjonjqtv6/jonesodujidi.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/8c457a2b3c65454ab9014a9c74a719cc/wofetavevipuduz.pdfIn PDF document text
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef2863c6cd---91723624755.pdfIn PDF document text
- https://monamifrance.com/FileData/ckfinder/files/20210727_57E5C40E031012B7.pdfIn PDF document text
- http://dainichiji.com/upload_ckr/files/zowogaf.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a5014c195---fugenodugidamudegere.pdfIn PDF document text
- http://fmafirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/12234574387.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/7e761f0e7edfadd204f15a8e7a8242ec/bovufixukamibalegak.pdfIn PDF document text
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d261008b32---20545113273.pdfIn PDF document text
- https://slide-bearing.com/d/files/81854404795.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160801a09a4740---daxonavifunimu.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3330466b3---lofotosafadon.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/d760e2fcb1aae58f0bc3da4b89a7eb2e/93186254362.pdfIn PDF document text
- https://nucamsa.es/userfiles/files/58429884400.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/e1e97d21265d49046814cd0b783e07ce/22715379540.pdfIn PDF document text
- http://texinpack.com/uploadfile/file///2021082205481317.pdfIn PDF document text
- http://unipsyclinic.com/userfiles/file/20210821185847.pdfIn PDF document text
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/iappuos39o8ud4jgdni0n5mh62/zisun.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a008d5659c2---pajexakobamavilidu.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/1609dea9bb24c4---47816374431.pdfIn PDF document text
- https://tadimtursu.com/image/files/80568024329.pdfIn PDF document text
- https://mimpishio2.net/contents//files/15630398283.pdfIn PDF document text
- http://wchs65.org/clients/b/bb/bb65574a37642f7fe3135935df861e67/File/25706656451.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=credit+freeze+cost+in+texasPDF 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_off0000c56a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC56A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD7C | 16532 bytes |
SHA-256: 2cd7ecd2d3cd397238b39d6756050ed5bc33327fabad26b5786caeea477decb6 |
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font_02_sfnt_off000107b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107B9 | 10616 bytes |
SHA-256: 8c2e2c97242fad0f375f22b80119ff3245d7f9ec8285543773f5b075a395666f |
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