MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The sample was detected as a malicious PDF by ClamAV and an ML classifier, with heuristics indicating it's a callback phishing lure. Although no executable scripts were extracted, the PDF structure and embedded links suggest it is designed to trick users into calling a fraudulent number, likely to steal information or money. The presence of multiple links to compromised CMS upload storage further supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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 http://apexhealthnutrition.com/newerac2c/userfiles/file/33881891797.pdf In PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16082ebc92e0f2---nosakonipolizelorazumofef.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/f02d032dbf1bd01d8a0565c644946faa/22817940939.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff2f6ca466---bimazuregobuwisa.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/biresugogimuvekalajedi.pdfIn PDF document text
- http://mobydick-band.de/fckdata/file/sogewibutebudozig.pdfIn PDF document text
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/c1273dbc3a84b75332ae5b9ec95cd349/didigap.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609868a0a74fb---gokagojipugopa.pdfIn PDF document text
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609be1aeb8026---pikigalozalop.pdfIn PDF document text
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/f1a3c93fa0cbef99412c120366cddcca/53206352345.pdfIn PDF document text
- https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/2839517288bd93909963cc4adc9a8bff/28502019258.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/c8e35a6ab0424eb761558404f878385c/8022067007.pdfIn PDF document text
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a88100ce480---94896983543.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/291353346150.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/040b50kv16l8sc5htcakv41fq1/lovif.pdfIn PDF document text
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/qe2blsv461vhbc3upn2ic4s3ef/33062596841.pdfIn PDF document text
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a017bce5028---6219604769.pdfIn PDF document text
- https://www.prestigeautobody.com.au/wp-content/plugins/super-forms/uploads/php/files/628f0ce15ae1722aa2c0336122b79026/42886495737.pdfIn PDF document text
- http://www.asslar.de/downloads/guwizijatafa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=troy+bilt+5500+watt+generator+engine+manualPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000312bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x312BC | 5376 bytes |
SHA-256: 50745488d2cd9068eec9e66ef521674d87b894ec4e100d92b7a61d1c0ee84f53 |
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font_01_sfnt_off00032513.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x32513 | 11916 bytes |
SHA-256: e6b7c83bab69b05e1db626e5629ac3e325ec8224c278389ad6b4d4b37987ae03 |
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