Malicious PDF — malware analysis report

Static analysis result for SHA-256 785d75dd7e64b4ba…

MALICIOUS

PDF

83.5 KB Created: 2021-02-15 15:54:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0cc8fc56106e2bf53c0c504897d794ac SHA-1: 56f8ccf4afc646b95a2c50571c25df0431546738 SHA-256: 785d75dd7e64b4babd390dcecdd83b59756620781e19f4dad666dd6241bc72dd
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URL that directs users to a suspicious domain, likely as part of a phishing or scam campaign. The document body, though heavily obfuscated, appears to be related to search queries, reinforcing the phishing lure. No scripts were extracted, but the presence of external URIs suggests the document's primary function is to redirect the user to a malicious site.

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://leonvi.ru/wix?keyword=can+you+hack+injustice+gods+among+us+on+android
    • https://cdn.sqhk.co/mapetidul/jhxQid4/chicken_wallpaper_cave.pdf
    • https://cdn.sqhk.co/rinovizifim/haih8l7/chicken_running_around_meme.pdf
    • https://cdn.sqhk.co/fezivabuja/cz4p1hi/10188933907.pdf
    • http://tanuwoxomasosog.22web.org/latest_android_for_samsung_note_4.pdf
    • http://thedouche.xyz/92825442318z8lyw.pdf
    • https://cdn.sqhk.co/beratinuga/djjibia/amazyn_soul_food.pdf
    • https://static.s123-cdn-static.com/uploads/4493867/normal_5ff7ea7b758ba.pdf
    • http://fifamarketbot.com/7453179577120vt6.pdf
    • http://pestore.pro/64683371500euuyy.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://zixugawemi.rf.gd/filmic_pro_android_version.pdf
    • https://s3.amazonaws.com/fidefofudi/40508814215.pdf
    • http://fojeropiralamab.rf.gd/argox_cp_2140_user_manual.pdf
    • http://tesoxukezeziles.epizy.com/gozelafuwati.pdf
    • https://s3.amazonaws.com/rozebofukixus/new_bhajan_song_free.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.

FilenameKindSourceSize
font_00_sfnt_off0000e05a.bin
1a0d123745438405d14c1210f8d2337890e4d201c0a5b415acb9e62e35c7fb95		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE05A 13268 bytes
font_01_sfnt_off00010b2c.bin
b4affa505b6cd0728a07b7df7e69642eb5798ad34bbb17c4e6c1148ccea06dea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10B2C 5468 bytes
font_02_sfnt_off00011da4.bin
4ce941ad8b9943c28d2e2ebac4924aaf08ce649afda9c7608aa3a6fcd5f67f21		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11DA4 10184 bytes

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