MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous links pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farms on disposable hosting further supports a malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://philabc.ru/uplcv?utm_term=how+to+master+the+art+of+selling+financial+services
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a7f261bc2---24081821423.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc8dddbad3---34071378322.pdf
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/4r5oeo2b0d27ou6n4ncko22dh1/fobavidibixexibe.pdf
- https://topclassgardening.nl/images/file/516888172.pdf
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607adae4e7aeb---12409720380.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/knvg0j27bm33rj4clb989j7at9/56179191139.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/5dd98144349c73e91e73e469556bf05c/3888203800.pdf
- https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/5081760b253c7070bed901bd4959f1f1/jokafejigamamapufe.pdf
- https://phoenixturkey.com/upload/ckfinder/files/luxonobat.pdf
- http://grandwatergatehotel.com/upfile_hotel/files/24619047558.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/hnf3u0hda396t99q1gt1vot8f5/daseloxuvupapofolapivepep.pdf
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e7131f0f53---17226402211.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d85ddba4b5---48848851956.pdf
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/3c0f0aac7e813b6be498abac38034451/10651045080.pdf
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087345ee2945---37812916580.pdf
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607482014d492---73602284300.pdf
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/12312v3ts8gdbug3gudvilsrgj/51236317209.pdf
- http://samtekelektrik.com/files/25933109969.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095af9d08f13---15739593610.pdf
- https://hanyauntuktesting.com/contents//files/20517377971.pdf
- https://noithatkuongthinh.com/uploads/files/99636926109.pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/9e56e6qmhqpdu1ft2ukrgorm96/38089566752.pdf
- http://rghsalumni.com/clients/82979/File/44190064223.pdf
- http://sbnjl.com/userfiles/files/41423936857.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- 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_off0000fdb8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDB8 | 16792 bytes |
font_01_sfnt_off000115ca.bin67f0a8917feab2ced2859984f1dcdd1cb324343b8a92a25c0a8e685d63b68a08 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115CA | 16764 bytes |
font_02_sfnt_off0001417a.bin65dc0aa91d1c2d3e5d9a876d4cfeb28f3bcc1b6925f2aafc940fc860a04c9975 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1417A | 10924 bytes |
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