PDF malware analysis — malicious · 0ab9e5168f6367da

MALICIOUS

PDF

76.2 KB Created: 2021-04-25 14:49:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26

MD5: 6c8dd678ece89bdce1db2d19ee72ab16 SHA-1: 58c77c25ef2ba5eeee4521fa9cd80433c1604d11 SHA-256: 0ab9e5168f6367da4ecfe18c50279c069567b63739f2fb2fbc34bb32807e021c

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains embedded URLs, one of which is associated with a phishing lure related to a product review. The presence of embedded URLs and the ML detection suggest this PDF is designed to redirect users to malicious sites, likely for phishing or to download further payloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://cicatsalud.com/html/sites/default/files/webform/28693943460.pdf In PDF document text
- https://www.mothercare.ro/sites/default/files/webform/resumes/49428740932.pdfIn PDF document text
- https://www.visitsavannah.com/sites/default/files/webform/90994069376.pdfIn PDF document text
- https://www.visitsavannah.com/sites/default/files/webform/mubojezelu.pdfIn PDF document text
- http://portal-mysigma.com/system/files/student-proof/wofofokarawivuboniju.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/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=braun+silk+epil+9+review+youtubePDF link annotation
- https://ec.europa.eu/eip/agriculture/sites/default/files/webform/vifixofixif.pdfIn PDF document text
- https://community.princeton.edu/system/files/webform/tujuxegagisezemesolut.pdfIn PDF document text
- https://www.healthdata.org/sites/default/files/resumes/mavesoriv.pdfIn PDF document text
- https://ec.europa.eu/eip/agriculture/sites/default/files/webform/27560642257.pdfIn PDF document text
- https://community.princeton.edu/system/files/webform/kabajizonen.pdfIn PDF document text
- 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_off0000ee44.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEE44	5476 bytes
SHA-256: `0526fa414e556182d1a67ae4618a347d9dfca4be2c9c9c911321e30040466fe7`
`font_01_sfnt_off00010106.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10106	10380 bytes
SHA-256: `95f1fc44ccf1b5adf48600d3b27e41d0bc26a4b83eb9c2bdb8ed7ec33969b467`

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