MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to compromised WordPress sites, indicating a link farm designed to lead users to malicious content. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. ClamAV also detected this file as 'Pdf.Phishing.Trojan'.
Machine Learning
- Nyx PDF Classifier malicious score 0.7257
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607802c2a349d---92944627221.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/1gf5jbu7au866e8v8e0ud004a7/joguditebufoxi.pdf
- http://dailymaydemtien.com/userfiles/files/vexagajutadafakelovuxizu.pdf
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/a4ad07c5ef23f52ea7474ecb5cfbb057/26171269540.pdf
- http://clarksville.net/wysiwygfiles/file/50885217751.pdf
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/434349f5f87e52b2b8b6d1502d9bc37f/10213730915.pdf
- https://dimensionshoppe.com/alpha/ckfinder/userfiles/files/66044480745.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/c6d80d8b76f0b2e7bd32ce70c0a2c2c1/18321975295.pdf
- http://timavoshipsupply.it/userfiles/file/67485450287.pdf
- http://strap.sk/uploads/file/jisoteto.pdf
- http://qianshunqs.com/admin/upload/47578068280.pdf
- http://bjhtdszdh.com/v15/Upload/file/202181812122060.pdf
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/d2c0877badd3abdb26fd9bdb6482180a/22232907903.pdf
- http://automsystem.com/UploadFile/file/20210817234533719.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16081f3d1c3e43---rebilopuzixutivetazi.pdf
- http://retco.ge/ckfinder/userfiles/files/8973056632.pdf
- http://wf515345.tw/CKEdit/upload/files/99120040589.pdf
- http://maydemtienvn.com/upload/files/84859503262.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610d3e9973ed7---32741485502.pdf
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/8bbcc042938ca05ade8d19cea32babdb/tepobiretixolan.pdf
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/5421a40c1a0182a541c2ab993ce3bbeb/lubexifovuwanugab.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=historia+de+la+iglesia+catolica+edad+antigua+pdf
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b1ab.binc4e05c3b13267f38fac9cd121980d2642d2ae9a63d360e56b73830a7ae71160b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1AB | 10888 bytes |
font_01_sfnt_off0000cab4.binb722b99191fde98bd01e27e4cbe7e9a49ead2d786fee2cc1b53b958e502175b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAB4 | 16080 bytes |
font_02_sfnt_off0000f2e7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2E7 | 16792 bytes |
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