MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a callback phishing lure, presenting itself as a health insurance claim form to trick users into calling a provided number or clicking on embedded links. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external PDF links, suggesting a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely leading to a phishing site or malware download.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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://montanabridalshows.com/uploads/1/3/0/6/130603927/vejezatalemukepagila.pdf In PDF document text
- http://wenebe.superstudy.ru/uploads/2020/01/27/didetedar.pdfIn PDF document text
- https://zawexosuzab.weebly.com/uploads/1/3/0/5/130588583/tuligavixomolam.pdfIn PDF document text
- http://geoffwehmeyer.com/uploads/1/3/0/6/130604606/jemutenefizoso_lawalos.pdfIn PDF document text
- https://rogemifuke.weebly.com/uploads/1/3/0/6/130603944/titef_duwuwivoxeb.pdfIn PDF document text
- http://jowujekija.agicole-acces.com/uploads/2020/01/28/kobavevaxujomu.pdfIn PDF document text
- http://sak.askaryan.com/uploads/2020/01/28/dixogitivurovu-rurada.pdfIn PDF document text
- http://adamhenryink.com/uploads/1/3/0/4/130477090/wusafuvusike-mozev.pdfIn PDF document text
- http://doeatjangkir.com/uploads/1/3/0/6/130639743/biguw-vexulemeg-zisikefano-levakozo.pdfIn PDF document text
- http://commstech-hub.eisf.eu/uploads/1/3/0/6/130605028/tiwusonom_dujozukosakup_lefom_mizadewowularu.pdfIn PDF document text
- https://piwetusidazu.weebly.com/uploads/1/3/0/5/130551364/95cf6eeb109547.pdfIn PDF document text
- http://dumok.club/uploads/2020/01/28/rasukopudusad-tubuk-bisejonemizu.pdfIn PDF document text
- http://cresaptownsportsmanclub.net/uploads/1/3/0/4/130483805/130483805.html#aa+health+insurance+claim+formIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00001384.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1384 | 8144 bytes |
SHA-256: aaac00c060da2f3bfee468f1f2061734f9e83b2061086713018ba6849f62b1b5 |
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font_01_sfnt_off000069f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69F1 | 16036 bytes |
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63 |
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