Malicious PDF — malware analysis report

Static analysis result for SHA-256 df004d83c3a314d7…

MALICIOUS

PDF

83.9 KB Created: 2021-02-17 00:50:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 8371a827a62a13469bf5b41066027757 SHA-1: d77957df8976b85d86533ef246e0d50555014a06 SHA-256: df004d83c3a314d76b9d2d6e4b4bf451e7f2e36982ef6f77d626475a67334281
186 Risk Score

Malware Insights

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

This PDF document contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. The primary URL `https://baarspo.ru/strik?utm_term=mightier+than+the+sword+meaning+in+urdu` indicates a lure related to a specific search query. While no scripts were explicitly extracted, the PDF structure and numerous embedded links are indicative of malicious intent, likely to redirect users to phishing or scam pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • 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://baarspo.ru/strik?utm_term=mightier+than+the+sword+meaning+in+urdu PDF link annotation
    • https://cdn.sqhk.co/tajiwikiter/2hhiaPg/uber_driver_salary_houston.pdfIn PDF document text
    • https://jakilirimilibev.weebly.com/uploads/1/3/4/8/134862861/deb7eb575749e.pdfIn PDF document text
    • https://cdn.sqhk.co/xuwolegu/hhNboii/fuzazagugoga.pdfIn PDF document text
    • https://bajorenurelop.weebly.com/uploads/1/3/0/7/130739037/manaju-tegewaw.pdfIn PDF document text
    • https://nelemiken.weebly.com/uploads/1/3/4/7/134704654/38cfa74303.pdfIn PDF document text
    • https://cdn.sqhk.co/lorotukogof/jgsfijg/99344275797.pdfIn PDF document text
    • https://cdn.sqhk.co/kukisigafumi/nagiido/krishna_statue_full_hd_wallpaper.pdfIn PDF document text
    • https://cdn.sqhk.co/sulugedako/I3igjfy/19076922178.pdfIn PDF document text
    • https://japiravonasuv.weebly.com/uploads/1/3/4/6/134644749/3a9e48.pdfIn PDF document text
    • https://cdn.sqhk.co/vadetegubufo/onigCH2/82242986873.pdfIn PDF document text
    • https://nonexivibofopuv.weebly.com/uploads/1/3/4/6/134603010/3fbb0f7bf4.pdfIn PDF document text
    • https://cdn.sqhk.co/letijefa/iev9mig/baldi_s_basics_camping_classic_free_play.pdfIn PDF document text
    • https://tatogupuragafa.weebly.com/uploads/1/3/4/0/134096405/5104568.pdfIn PDF document text
    • https://cdn.sqhk.co/suxupijisajo/ial01Ps/26069180231.pdfIn PDF document text
    • https://zaduguwage.weebly.com/uploads/1/3/0/8/130874015/sorefibafibatomuwada.pdfIn PDF document text
    • https://vujivizu.weebly.com/uploads/1/3/5/3/135305207/7721293.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/legobegutulo/cambridge_igcse_business_studies_second_edition.pdfIn PDF document text
    • https://s3.amazonaws.com/nafoxuda/inverse_variation_worksheet_kuta_software.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f7a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7A0 5184 bytes
SHA-256: 371237d791d1eea1cd90f88949dc96ae7b5198627206df19cffa5bd37ed9c38c
font_01_sfnt_off0001092b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1092B 12764 bytes
SHA-256: 1f01d4c0daa39567f7222afcfcc632cc556a283a9aebeabdaea877901e996bd5
font_02_sfnt_off00013221.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13221 4324 bytes
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230

Open this report in the interactive analyzer, or submit your own file for analysis.