Malicious PDF — malware analysis report

Static analysis result for SHA-256 33e265d166f19bb6…

MALICIOUS

PDF

94.8 KB Created: 2021-02-12 08:37:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 014d767151e4b5f06b473bdf0d78dbf3 SHA-1: 7ee7717dded11e1d8832fe50fd4b87b5592b186d SHA-256: 33e265d166f19bb6ded202a240c56c17f45605de27b878a69122b01c54634db5
156 Risk Score

Malware Insights

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

The PDF file contains numerous external links, with one prominent URL related to 'apk pokemon go spoofer', suggesting a lure for potentially malicious downloads or phishing. ClamAV detection and ML classification strongly indicate malicious intent, likely related to phishing or malware distribution. While no scripts were directly extracted, the PDF structure and embedded URIs point towards a phishing or scam campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://druttle.ru/wix?keyword=apk+pokemon+go+spoofer PDF link annotation
    • http://jedugefipevama.iblogger.org/patugowe.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4474739/normal_600e4108457c1.pdfIn PDF document text
    • https://cdn.sqhk.co/jupujezaxa/hqigMhb/95884677785.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4454575/normal_5ff432db35fea.pdfIn PDF document text
    • http://lavorunolutoga.22web.org/snake_pass_pc_game_free.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4496592/normal_600bbe142e064.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380395/normal_5ff182ac987da.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4485926/normal_5fcd5866b116a.pdfIn PDF document text
    • http://pawosevisipe.iblogger.org/77578910237.pdfIn PDF document text
    • https://gumewixolasadaz.weebly.com/uploads/1/3/4/6/134659592/2f130a6bc26.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4490141/normal_5fc8da96059da.pdfIn PDF document text
    • https://cdn.sqhk.co/mizogujuzo/jLielPn/tap_smiths_special_abilities.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/gimufesajo/12719704916.pdfIn PDF document text
    • https://s3.amazonaws.com/jadere/splash_screen_android_code_example.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001233f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1233F 5032 bytes
SHA-256: ecc57939b66e5bed23f7ecbeca93afc5109c486587a58c49f721e7df6b86de58
font_01_sfnt_off00013459.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13459 10324 bytes
SHA-256: 60a9ebc2502ab3aaaeaab0fcd22e26edf05c7b042f7e6ffff5fbe221463435ae
font_02_sfnt_off000157dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x157DD 16660 bytes
SHA-256: 0b4f9904cc63eeb245c31300081beae5dd130040598f84ad13cd294c90142161

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