PDF malware analysis — malicious · daf82c62d5809d8c

MALICIOUS

PDF

65.3 KB Created: 2021-03-31 07:27:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 19c615558c0bdd740b0fb0a93e0c2ced SHA-1: 7115d47b90d294e22d7fbb98f89d0a3d5667d350 SHA-256: daf82c62d5809d8c17c62035b4a7325e2518300d7fb1ec11e5f2fe168f63ca57

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that directs users to a suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to redirect the user to a malicious site, aligning with spearphishing tactics.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://dugedepap.ru/strik?utm_term=how+to+make+a+calculator+show+decimals
- http://tapopapebesawu.getenjoyment.net/15399507399.pdf
- http://jawazapefaxuzit.mywebcommunity.org/74326446789.pdf
- http://reduslim-official.website/algebra_birkhoff_maclane300o2.pdf
- http://ripugusulufiluj.getenjoyment.net/ganpati_aarti_sangrah_marathi.pdf
- http://bostpolamos.site/mumifuwombzxg8.pdf
- http://lightsex.ru/how_to_install_grohe_kitchen_faucet_headm1k8y.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://zamajud.epizy.com/gofirufixomipuwadapav.pdf
- http://tasokapivodi.epizy.com/bbc_tech_reporter.pdf
- http://robavumu.rf.gd/ethiopian_news_reporter_newspaper.pdf
- http://diwigivexuvobe.epizy.com/ecology_and_environmental_science.pdf
- http://xapipulasojogod.epizy.com/rheem_gas_water_heater_pilot_wont_stay_lit.pdf
- http://raxusitusumulag.rf.gd/calapan_hymn_free.pdf
- http://bixuxopot.epizy.com/bkav_home_full_crack.pdf
- https://uploads.strikinglycdn.com/files/8131550e-7b08-4015-a71b-f29b7bf019c3/marisi.pdf
- http://sezusol.epizy.com/bdo_mobile_apk_english.pdf
- http://zulorokufejepa.rf.gd/allshare_cast_android.pdf
- https://uploads.strikinglycdn.com/files/c403573c-3a26-455c-8349-b3c16cb8353a/what_size_sheets_fit_a_pack_and_play.pdf
- http://zefirowiruluko.rf.gd/good_female_saint_bernard_names.pdf
- http://nudizelaf.rf.gd/72268027810.pdf
- https://uploads.strikinglycdn.com/files/b7eeb4fb-0e9e-4bfd-881e-c1b12d9637bd/xabezerudu.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_off0000c4fb.bin` `9d946522e64f113285c57e1c5c5a75cba0f3cdaee7821467f4d40f79b334e381`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC4FB	5296 bytes
`font_01_sfnt_off0000d6db.bin` `fe8a31cb709adcefbc7a7a76f7e0b38038c33cd937e572f9313f52295ad356db`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD6DB	10008 bytes

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