MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress upload directories hosting other PDF files. This suggests a link farm designed to redirect users to malicious content, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160beb8f8da3aa---26646294542.pdf In PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5bc2081aef---6912258217.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/9676618e5e555cedc4056fb5c005ffe2/18574705915.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e82e1b54bf---xaxoxureborij.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/ang3aknrvepk2u4jmvt0fn2aql/39050909325.pdfIn PDF document text
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/e2c3cfe315e7abf0bd644bd93126aa86/lodevodafesifenerul.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160881e90f08e5---budoluxa.pdfIn PDF document text
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/3abb765ab93dc50ef3a2b134f300c801/guxafaxenoliloves.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/4g5p3f71f7qlhotpt673h4bupa/maguvuwikekasiv.pdfIn PDF document text
- https://hostingalani.com/calisma2/files/uploads/37205735815.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/c9b5f6c8a7ac67dc5d147a7167cda84e/kivak.pdfIn PDF document text
- http://fritz-fahrlaender.ch/download/logobevumenonozaki.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/9b7ab616b43f71349a821d16d305f941/88819301926.pdfIn PDF document text
- http://np-laser.com/upload_fck/file/2021-6-20/20210620084515616042.pdfIn PDF document text
- http://micronforgacsolo.hu/UserFiles/file/lubogeri.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aab9f77bec8---tepugopigirolix.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16081a53a50113---futalaxatununawebitif.pdfIn PDF document text
- http://creatinglifeoptions.com/userfiles/files/mekadudurujixetulo.pdfIn PDF document text
- http://rheinmotel.com/userfiles/file/48416731902.pdfIn PDF document text
- http://hrdiborice.cz/erucom1/files/files/86469037936.pdfIn PDF document text
- http://truthtube.com/UserFiles/file/koxudi.pdfIn PDF document text
- https://catbasailing.com/upload/fck/file/punakabumazavamufumusasam.pdfIn PDF document text
- http://dobrasekacka.cz/userfiles/file/pinigowazatu.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/2gs06kse6e0je13dhlju2n4pq7/toxagejulogakafaloxaxige.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=7+styles+of+lightsaber+combatPDF 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_off0000f006.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF006 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001081d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1081D | 10888 bytes |
SHA-256: 088d723380d5a632db697ac7fc1cdcac0991c735b1c67257c344bcd6f508ba1e |
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font_02_sfnt_off00012166.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12166 | 17432 bytes |
SHA-256: 8ef8174e912a06623783138d3cbf5f4aefcd15454def4126015612eefb9411b7 |
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