Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca857e9097879ed8…

MALICIOUS

PDF

116.6 KB Created: 2021-02-17 02:06:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: d795657f0ebae38db118e20f45cb0b23 SHA-1: 974c91410770edf4765fb4af4e1d8022d9537f2d SHA-256: ca857e9097879ed834b4338137310b7f756a0ace252c00cab929a6cf599cf39f
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://bologen.ru/aws?utm_term=types+of+lpp+method PDF link annotation
    • https://cdn.sqhk.co/pubamegumox/iqKohgz/15132635688.pdfIn PDF document text
    • https://cdn.sqhk.co/mepapogivoma/FRhaihj/monster_high_hair_salon_games.pdfIn PDF document text
    • https://cdn.sqhk.co/dabigewom/0F1ryha/zanawixemevemavumeremoxa.pdfIn PDF document text
    • https://cdn.sqhk.co/pidagasew/hf1hfhc/laduboj.pdfIn PDF document text
    • https://cdn.sqhk.co/mikevoponage/aqlgcig/83007215135.pdfIn PDF document text
    • http://allfreebets.ru/heparin_bridge_to_warfarin_guidelines8ysiu.pdfIn PDF document text
    • http://tryporte.xyz/sebuvemutuduninoforafyoxs9.pdfIn PDF document text
    • https://cdn.sqhk.co/rurizibaxami/YjcAhjC/orange_tree_imports_coupons.pdfIn PDF document text
    • https://cdn.sqhk.co/zanivuwiduvo/gjj8sja/classic_gumball_machine_with_stand.pdfIn PDF document text
    • https://cdn.sqhk.co/nivodoruw/jf4iing/73408413924.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4378151/normal_5fe15eb812255.pdfIn PDF document text
    • http://nikecortez.net/wuterumebuvamivozxf0bm.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453906/normal_602c59f0d42c6.pdfIn PDF document text
    • https://cdn.sqhk.co/kaxonavi/ekhbwfo/91878867889.pdfIn PDF document text
    • https://cdn.sqhk.co/sarimotel/icaieia/monster_world_fire_full_version_apk_free.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/jebupofedijakuk/uninstall_android_app_adb_shell.pdfIn PDF document text
    • https://s3.amazonaws.com/palevijuj/flash_banner_maker_free_with_crack.pdfIn PDF document text
    • https://s3.amazonaws.com/waxegatulo/logugidar.pdfIn PDF document text
    • https://s3.amazonaws.com/dukexajuj/egger_laminate_sheets.pdfIn PDF document text
    • https://s3.amazonaws.com/vososasoxumete/natiz.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000169ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x169EE 5028 bytes
SHA-256: f9129f5c44fa2ef4885805517bdd693390a3fadd4dc4f2bc1b19485669872d30
font_01_sfnt_off00017af1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17AF1 16188 bytes
SHA-256: 8503beeedb7a1e77936b15105b190d229b221f34d191b620e2d8316f4dd80606
font_02_sfnt_off0001adc8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1ADC8 16648 bytes
SHA-256: 325eacf364e66069842ee01b74e0eb362f1501e7cb585f9b65c6d9d7c1ddf29f

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