PDF malware analysis — malicious · 289a3669a80db325

MALICIOUS

PDF

70.3 KB Created: 2021-03-01 11:40:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16

MD5: cc20f179e95f4dc7f42a9a7c294a8efe SHA-1: 4e398fccc933b8ebf2c8a56534d3c06deb76578e SHA-256: 289a3669a80db32538fef438db10be45381a8bbbaa445d9c5cdb61b8c629bd01

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a malicious site. The document body, though heavily obfuscated, suggests a lure related to a product, reinforcing the phishing pretext.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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 https://jumiwimov.ru/strik?utm_term=microlife+bp3gx1-5x+replacement+cuff PDF link annotation
- https://cdn.sqhk.co/vetelojid/cjj8JTj/zuvidodewitowegomijez.pdfIn PDF document text
- http://ketrovk.xyz/ziwalewijaludjx2mt.pdfIn PDF document text
- http://rte-ita.fun/gubekiwivubexa5at5f.pdfIn PDF document text
- http://my-favshoph.online/diablo_3_reaper_of_soulsgfwc8.pdfIn PDF document text
- https://cdn.sqhk.co/juvanejejuwo/enVidhe/zozopawajexoxisome.pdfIn PDF document text
- https://cdn.sqhk.co/javukapegami/ibgdUxZ/pico_island_beaches.pdfIn PDF document text
- https://cdn.sqhk.co/jidulopavoji/ibhjAib/15336920821.pdfIn PDF document text
- http://bestplacefor.rest/jonesapozogidabaxuxulexoft028.pdfIn PDF document text
- https://cdn.sqhk.co/loxinesupiva/c6giidD/844011565.pdfIn PDF document text
- https://cdn.sqhk.co/vozaxodep/ididhfX/76662966149.pdfIn PDF document text
- https://cdn.sqhk.co/luketopaja/hjejbji/gefojefinosezigadif.pdfIn PDF document text
- https://cdn.sqhk.co/moxibusas/jgjasMH/3170572618.pdfIn PDF document text
- http://widevuvi.22web.org/71861620857.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/rafiralexezol/23655476235.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_off0000d195.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD195	5744 bytes
SHA-256: `8a481e97c2270a56ebb04f68232dcf9362d3872feb09ec3dbfb8fceaecc50e39`
`font_01_sfnt_off0000e534.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE534	11080 bytes
SHA-256: `be1f24212f21aeeea6a7ff465645534f88e14d5d77d0bce8bd3dd772c264ec98`

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