PDF malware analysis — malicious · 4887d5378c02dcc6

MALICIOUS

PDF

75.0 KB Created: 2021-03-28 10:23:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 24efdd09d8da49667404b6d57f1df119 SHA-1: cc66f13f6a94e8bd13c37ca8c96c6b951efac753 SHA-256: 4887d5378c02dcc60439af6b34c7a1ad98cb559f74e36c9479644a9f4409cf41

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains multiple embedded URLs, with the primary one being `https://golowaki.ru/wix?keyword=ffxi+blue+mage+quest`, which likely leads to a phishing or malware distribution site. The PDF structure and embedded content suggest it's used as a lure to redirect users to malicious web pages.

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 https://golowaki.ru/wix?keyword=ffxi+blue+mage+quest
- http://hhizmet.com/jatopunediziph0hzx.pdf
- https://boruwimuruliv.weebly.com/uploads/1/3/4/8/134875556/2c14ebaea204a9.pdf
- https://fisadurubimu.weebly.com/uploads/1/3/1/4/131409264/6955511.pdf
- https://static.s123-cdn-static.com/uploads/4491723/normal_5fff308648a3c.pdf
- https://metozalolak.weebly.com/uploads/1/3/4/6/134610510/c0593552ec.pdf
- https://cdn-cms.f-static.net/uploads/4453329/normal_60445ce43be41.pdf
- https://static.s123-cdn-static.com/uploads/4478923/normal_6009a0604c651.pdf
- https://static.s123-cdn-static.com/uploads/4416923/normal_5fdd371395c31.pdf
- http://stalekost.site/jozanuzavq64e.pdf
- http://wegansit.space/huskee_riding_mower_tractor_supplycvgl1.pdf
- https://gegizadewer.weebly.com/uploads/1/3/1/4/131482997/28ea34e84b4e801.pdf
- http://voicebftyi.com/judivakaweroketukejammkiy.pdf
- http://oneitstore.info/homo_sacerric5m.pdf
- http://mscredit.info/764414657716ijju.pdf
- http://prostotit.site/dirigijufupudikunb68r7.pdf
- https://dusonomikeka.weebly.com/uploads/1/3/2/6/132695238/sekafuxi_voxelu.pdf
- http://olipaka.xyz/dark_disciple_hardcoverpywcx.pdf
- http://changepass.online/ukulele_strumming_patterns_4_4d4fg6.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/wiremeresegikon/que_es_el_sistema_endocrino.pdf
- https://s3.amazonaws.com/jebokizez/39029659227.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e745.bin` `5a19597cbc38a2a4b8ebb66fcdc468546caee585638bc2b9d50185c4f59f8ac3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE745	5280 bytes
`font_01_sfnt_off0000f935.bin` `11d05bc918fd367ca7c721ca47e232e3b08661e29611e997eec0678ec4a4d749`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF935	11460 bytes

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