PDF malware analysis — malicious · 0d0a5c567e9431df

MALICIOUS

PDF

86.9 KB Created: 2021-03-23 17:01:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8b8b6aa7bc8be99a843a3e763532d7ee SHA-1: dda4fbf0dd2df295ef7e40e2a501cb8dc40048c5 SHA-256: 0d0a5c567e9431dfe258c9fa24aa43015af8f148290024066ad9d97a3b8e0cae

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document flagged as malicious by ML classifiers and ClamAV. It contains an embedded URI pointing to 'https://ponafet.ru/123?utm_term=ccna+3+chapter+3+pdf', which is likely a phishing or malware distribution URL. The document body is heavily obfuscated, but the presence of the malicious URI and the overall detection suggest a phishing or malware delivery attempt, potentially using embedded JavaScript to facilitate the malicious activity.

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://ponafet.ru/123?utm_term=ccna+3+chapter+3+pdf
- https://cdn.sqhk.co/jagibuvat/jghh6if/disexusodesidopukisim.pdf
- https://cdn.sqhk.co/lisupixiwe/jhgiihb/29253612138.pdf
- https://cdn.sqhk.co/nixafusoda/shcgiCs/43059738365.pdf
- http://pusewuvi.medianewsonline.com/dental_light_cure_price.pdf
- http://suzupuwejal.mygamesonline.org/1164138326.pdf
- http://dilawiputonu.mypressonline.com/46999666133.pdf
- https://cdn.sqhk.co/jidulopavoji/fhfrghE/free_cash_app_money_generator_no_human_verification.pdf
- https://cdn.sqhk.co/dilujuzaga/Bu3ahaM/pejufojulezototedo.pdf
- http://lefibipefazefep.mypressonline.com/fuvuluwi.pdf
- http://bizowokare.getenjoyment.net/patevamadexegutesafiv.pdf
- http://fontawesome.iohttp://fontawesome.io/license/
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/vogubivajavofu/aristofanes_lisstrata.pdf
- http://zilowovuv.atwebpages.com/1970_ford_mustang_mach_1_428_cobra_jet_production_numbers.pdf
- https://s3.amazonaws.com/dazinibonofobi/kaxibe.pdf
- https://s3.amazonaws.com/vufupu/criminal_justice_reform_topics.pdf
- http://kavezusi.onlinewebshop.net/2432892932.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00010dd2.bin` `31c540d11144f4345156f451af9ba389a1131d21873ea1c3280cece25ef53112`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10DD2	1872 bytes
`font_01_sfnt_off000116c6.bin` `eecdc262473bbcd17c5b14b2769d0860a32a03ea4324440761aae3f56077e4ab`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x116C6	5100 bytes
`font_02_sfnt_off0001281f.bin` `434f8da83678ac3995400c2208c08e5308068e8b2c14a758abfc37774ac0e76b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1281F	11104 bytes

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