Malicious PDF — malware analysis report

Static analysis result for SHA-256 0be5573d9783e7cc…

MALICIOUS

PDF

68.3 KB Created: 2021-03-12 22:14:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-03
MD5: 7a5355bb0f36d3c4dccd40b467ef1e90 SHA-1: 27f057bfee30e9ac6064cc01e812ded97db2e65b SHA-256: 0be5573d9783e7cc65b46c144dfbb79eeabd95e02611fa4a0353440d16d6a89f
126 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ML classifiers and ClamAV, indicating it is a phishing or trojan distribution attempt. It contains numerous external links, with a high concentration on disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The document body, though heavily obfuscated, contains keywords related to 'Char broil oil less turkey fryer accessories' to entice clicks.

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 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://golowaki.ru/aws?utm_term=char+broil+oil+less+turkey+fryer+accessories PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4412413/normal_5fcf940ec65a0.pdfIn PDF document text
    • https://bewirupudafa.weebly.com/uploads/1/3/1/6/131607000/galekelimozerelibizu.pdfIn PDF document text
    • http://zomesotemaxage.66ghz.com/cisco_3750x_stack_configuration_guide.pdfIn PDF document text
    • https://jexabuwojese.weebly.com/uploads/1/3/1/3/131384148/xogukawujasugabam.pdfIn PDF document text
    • https://fotizewuzawefuv.weebly.com/uploads/1/3/4/6/134668380/rodepupuxupez.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365541/normal_60299aea3a957.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368969/normal_601368f3d2636.pdfIn PDF document text
    • https://kuledeju.weebly.com/uploads/1/3/0/7/130775905/kujidemilika.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/5acc82e7-cf5b-4555-a694-176df32a2673/92179743451.pdfIn PDF document text
    • https://b1c30c75-ab46-439a-884d-3836ae4b8a49.filesusr.com/ugd/2d1648_1a7d520336d645088fa965077d2c0723.pdf?index=trueIn PDF document text
    • https://9ebe8999-295a-4f11-87dc-c96f3e1b46ff.filesusr.com/ugd/8de238_19b994c009d643acad457dc50382e9bd.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/e9b512b8-9857-4357-be25-140695572e0d/mafoxudekot.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e3df4c77-3ed8-4535-b74b-d00b33cd198e/fiwipamesefax.pdfIn PDF document text
    • https://c4bedd8b-a3e9-4aa8-9751-a6fde4035b7e.filesusr.com/ugd/037f08_b14560738c09440ebeab90781b83bf95.pdf?index=trueIn PDF document text
    • http://livasesokod.epizy.com/corrugated_roof_sheet_specifications.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/352a5e3c-957f-446d-b53d-2c9ba4537080/2144373694.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_off0000cc1e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC1E 5180 bytes
SHA-256: 58c6ef14cd7e0ff3cf4f5b3d08f9c9cd3fc28e4ec800ac79e6ae36e536783706
font_01_sfnt_off0000ddbc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDBC 10672 bytes
SHA-256: 57ec9024c9c143db2e1c06a1746d27285105c4679d855d761b66d6beef495187

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