Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1108d01b26ba5be…

MALICIOUS

PDF

80.2 KB Created: 2021-03-25 07:46:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: cca1138ae9de94bb9ed669de390684cc SHA-1: a20a98eb8295526b1dc1e0ce6e95ff8c903278bb SHA-256: c1108d01b26ba5be63f63ece0b34d3004db31f2210265e755dc3c18bbf0a4652
126 Risk Score

Malware Insights

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

This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains a large number of embedded URIs, many pointing to disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and the 'link farm' heuristic strongly indicate an attempt to direct users to phishing or malware distribution sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://maypoin.ru/wix?keyword=hampton+bay+outdoor+lighting+transformer PDF link annotation
    • https://buwotudotep.weebly.com/uploads/1/3/1/6/131606539/molagizem.pdfIn PDF document text
    • https://kowasazupajobex.weebly.com/uploads/1/3/1/3/131383373/739578.pdfIn PDF document text
    • https://cdn.sqhk.co/purilusevike/cNKhejL/baby_first_words_meme.pdfIn PDF document text
    • https://cdn.sqhk.co/kulobuwaxegu/Qjgqlh2/zelubujugedob.pdfIn PDF document text
    • https://cdn.sqhk.co/lupokuna/ib5fjdP/xakejodopunelaperamedad.pdfIn PDF document text
    • https://pizipeko.weebly.com/uploads/1/3/4/6/134611096/nilajigasab-jisateka.pdfIn PDF document text
    • http://duboxol.iblogger.org/data_warehouse_vs_data_lake_vs_lake_houses.pdfIn PDF document text
    • http://mimisijuz.mypressonline.com/statistical_inference_via_data_science.pdfIn PDF document text
    • https://letateworu.weebly.com/uploads/1/3/4/3/134365764/6a8f5fd3.pdfIn PDF document text
    • http://nixewunesavi.22web.org/77724165343.pdfIn PDF document text
    • http://dejepuzalew.mygamesonline.org/what_is_the_definition_of_great_depression.pdfIn PDF document text
    • https://cdn.sqhk.co/modonasuje/fAXRfjg/xikojejub.pdfIn PDF document text
    • https://vobanugan.weebly.com/uploads/1/3/5/3/135340106/pokaju.pdfIn PDF document text
    • https://pudijeda.weebly.com/uploads/1/3/4/5/134586696/4385302.pdfIn PDF document text
    • http://lomuwugevona.getenjoyment.net/fonogezi.pdfIn PDF document text
    • https://cdn.sqhk.co/duxadikoti/hdijhjt/minecraft_ps4_sky_factory_map_download.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pusevim.epizy.com/28420486215.pdfIn PDF document text
    • http://zabezotep.epizy.com/93425311893.pdfIn PDF document text
    • http://wusuposakatoxel.myartsonline.com/nijevaxa.pdfIn PDF document text
    • http://jizanisan.epizy.com/96702354879.pdfIn PDF document text
    • http://xobikiganerewen.rf.gd/68606344654.pdfIn PDF document text
    • http://mowedesidafog.epizy.com/how_can_you_identify_a_metaphor.pdfIn PDF document text
    • http://sufalejadi.rf.gd/zerepinojupepug.pdfIn PDF document text
    • http://jedirolin.rf.gd/saul_alinsky_rules_for_radicals_free.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

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fc6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC6C 5660 bytes
SHA-256: d4d2b596d194f3ed0546f0498b90a2a75822873b514dcf79662638047981b6c7
font_01_sfnt_off00010f7e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F7E 10308 bytes
SHA-256: cd6447cb695d47933a54d6e29cb57b8ffcac5806156e4d0be541528a66a6a2e6

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