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 threat. It contains numerous links pointing to compromised WordPress upload storage and other disposable hosting, suggesting it functions as a link farm to distribute malicious content. The presence of external URIs and link farm heuristics strongly indicates an attempt to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://archism.ru/uplcv?utm_term=harriet+tubman+family+information
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160bb49b791abf---97214895558.pdf
- http://tingyi-bnb.com/CKEdit/upload/files/tuninakuj.pdf
- http://jiendurancecoaching.com/ckfinder/userfiles/files/81019763846.pdf
- https://bancodevida.com/bancodevida/admin/images/image/file/92666252944.pdf
- http://agcslohian.com/userfiles/file/xenapevidigikidinunori.pdf
- https://isleo.com/i_photos/file/nabijem.pdf
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab074cb834c---lawokarebemapu.pdf
- http://bualuang101.com/backoffice/upload/files/88950217617.pdf
- https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/041e3979deae44eee1e4592c5e15d90f/zadagikarujaxivuwenok.pdf
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b21e58bcd93---babulatezowagogupe.pdf
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/e6ntl1k4ea5bspq9rqrmvdoh54/sokemibugolef.pdf
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/7d7f442faacffb9ae685a56d0a8a6acd/pebuguwokidupedaw.pdf
- http://klpa.net/userData/board/file/vefekidewirilulogedoruw.pdf
- https://f27szerviz.hu/upload/files/lufemeluforebomezofalet.pdf
- http://bearings-home.com/userfiles/file/1782355183.pdf
- http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086129f6ef4e---32553973009.pdf
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160816fe07bd01---tilawofulizu.pdf
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16083c48bb16f7---62875922548.pdf
- http://siembra.me/uploads/files/60970818480.pdf
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcedf531adf---sanakokutikixunexox.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac9f9fe9eb4---lijeb.pdf
- https://arte-salon.ru/upload_picture/17569663938.pdf
- https://dienlanhhonganh.com/images/pic/file/14171051951.pdf
- http://aitrans.cn/UploadFile/file/F1202106141555258722.pdf
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095bb8c1af24---xinozobodamokova.pdf
- http://quaker1960.com/clients/3/34/346d0055920ff30d27c63167e405b0e7/File/59434175444.pdf
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad2329b426a---71060288597.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_off0000eea9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEA9 | 16792 bytes |
font_01_sfnt_off000106c0.binaca0bb0bc4a1ca5b31374df69d11a54718735e3768d7d4e3808bdd2f4d19dca6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106C0 | 10552 bytes |
font_02_sfnt_off00011ec7.bindb6d37cf53c76cb94227fd412a28d3af96c41e05e735e5adcca4fb73c2a4f16b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EC7 | 19184 bytes |
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