Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3cee3ca76bb1887…

MALICIOUS

PDF

103.8 KB Created: 2021-03-23 02:51:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-13
MD5: 4865a9415e6a0a41d8c82bd7413988a9 SHA-1: 2d48bc256895647110d780fcfd6d93b1c900d624 SHA-256: f3cee3ca76bb1887ff0ed361b31055e4d1f34cd7f1495cd6a61766a2f541c915
126 Risk Score

Malware Insights

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

This PDF file is classified as malicious by ML and ClamAV, indicating a high likelihood of malicious intent. The document body and embedded URLs suggest a phishing lure, presenting itself as a search result for "99 names of allah benefits pdf" to trick users into downloading further malicious content from suspicious domains. The presence of multiple external URIs and link farm characteristics further support a phishing or malware distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9976

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 is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://lozipotod.ru/123?utm_term=99+names+of+allah+benefits+pdf PDF link annotation
    • http://interior.estate/sizokdl2gu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387922/normal_5fe457d7c2679.pdfIn PDF document text
    • https://lixepugoguzezum.weebly.com/uploads/1/3/4/1/134132265/wagabuvidoxotiw.pdfIn PDF document text
    • http://sale50.pro/waxodrwdqg.pdfIn PDF document text
    • http://lutafem.getenjoyment.net/probability_distribution_function_for_a_discrete_random_variable.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4460723/normal_6056f27092267.pdfIn PDF document text
    • http://texno3ua.com/5186493581807zsb.pdfIn PDF document text
    • https://galojonebe.weebly.com/uploads/1/3/4/3/134353990/5654503.pdfIn PDF document text
    • https://mibinataxufix.weebly.com/uploads/1/3/1/4/131438539/f1fc912a77e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490376/normal_6041bc3a6c583.pdfIn PDF document text
    • https://mesirurot.weebly.com/uploads/1/3/4/7/134706751/sofoguka.pdfIn PDF document text
    • http://cafechorsu.ru/jowoxejhqb3w.pdfIn PDF document text
    • http://runmasten.online/mubivoziwikidogh33dl.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459318/normal_6019d15a99750.pdfIn PDF document text
    • https://kefomituwo.weebly.com/uploads/1/3/2/8/132815939/gifutezek-jagowetafuki-fovisuj-gorupatidoku.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/neviwove/mikusutufosakafegaxowibif.pdfIn PDF document text
    • https://e20d271a-53e3-41f9-9180-d6cd5f9fd148.filesusr.com/ugd/6cfc61_ea9ae909c58a444caf7e047c39f8682e.pdf?index=trueIn PDF document text
    • http://sarutufasiko.atwebpages.com/how_to_cook_in_panasonic_rice_cooker.pdfIn PDF document text
    • https://s3.amazonaws.com/rebomedug/32288738614.pdfIn PDF document text
    • https://3c8197b3-f999-4f29-b3da-fbdfea3dbf34.filesusr.com/ugd/0047a4_9bbecb52b97f43ce8554ff36d9ef0728.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/jijari/ludigatowapiviso.pdfIn PDF document text
    • https://59bb578d-b312-442a-858b-1a1a54b18a6c.filesusr.com/ugd/c79b1c_376e357ce3f2484ea235818253598341.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/dofufiri/8608491563.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_005_off00014dc2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x14DC2 28912 bytes
SHA-256: 6141c251ef94601949152797416517989f946e5cea82851b901a1567cbd77736
font_00_sfnt_off00011876.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11876 5172 bytes
SHA-256: ffdedfd72811eb6626ea165b930f5b3825e269c6c0b413bc6d0daaf287c8f8b6
font_01_sfnt_off000129cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x129CF 10504 bytes
SHA-256: ee0afd2cdd62d011b3a716df78d8c3f5a1108709da468d2874e47f2b5be57f49
font_03_sfnt_off00018130.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18130 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e