Malicious PDF — malware analysis report

Static analysis result for SHA-256 19b436b9a90b3104…

MALICIOUS

PDF

73.7 KB Created: 2020-12-28 05:48:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: d545079955a1dc7c52cfeac3f2905dbe SHA-1: 3b187b136025e141d9f1f19fa436686c8f23ea2f SHA-256: 19b436b9a90b3104db7f50a5cbbb527975969488a97078ce7693b72fedeb67b5
136 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The heuristic 'SE_ADVANCE_FEE_SCAM_LURE' strongly indicates the document's purpose is to trick the user into a financial scam. The presence of embedded URLs, such as 'https://traffnew.ru/aws?utm_term=attendance+allowance+claim+form+phone+number', suggests these links are intended to lead the victim to a malicious site for further exploitation. Although no scripts were explicitly extracted, the PDF format and the nature of the lure often involve embedded JavaScript for redirection or exploitation.

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
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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://traffnew.ru/aws?utm_term=attendance+allowance+claim+form+phone+number PDF link annotation
    • https://cdn.sqhk.co/birenejar/Ngcmjj9/95796636585.pdfIn PDF document text
    • https://dovasuseburipir.weebly.com/uploads/1/3/4/3/134394860/7747737.pdfIn PDF document text
    • https://cdn.sqhk.co/pixisuja/uhakZhd/helicopter_rides_grand_canyon_las_vegas.pdfIn PDF document text
    • https://lupunudarowujak.weebly.com/uploads/1/3/4/5/134599946/divuvif.pdfIn PDF document text
    • https://kutepazibug.weebly.com/uploads/1/3/4/4/134477769/seboketuwe.pdfIn PDF document text
    • https://cdn.sqhk.co/dakuwuwuzije/fJPgdia/alien_shooter_2_conscription_pc_game_download.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410415/normal_5f95551722145.pdfIn PDF document text
    • https://sekugiwa.weebly.com/uploads/1/3/0/7/130739582/4583254.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450148/normal_5fdad718bc393.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453908/normal_5fa5d26747436.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/b1e2aa8c-b760-431f-8c5a-bcebca0a905a/hoka_clifton_3_sale.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/57bb3848-cb43-4ad9-aa27-069cc485f4f8/87312949967.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e2c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2C8 5436 bytes
SHA-256: 7a9933578abeb21589b49b388a96fab03daa22cda55072b4c516e33fcd9922ba
font_01_sfnt_off0000f52e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF52E 10844 bytes
SHA-256: d302e4e0f0a0ca149b2c3ab3a5f9b17fc05dafae0e73951c9cfdc4f9d354e3d7

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