Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ef8867a52b25697…

MALICIOUS

PDF

100.0 KB Created: 2021-03-04 17:00:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 54f5bbec306b25156dc60a2e2652e2a4 SHA-1: 5c3cba243dba7a789d341bda2e684cd39c60873c SHA-256: 6ef8867a52b25697fb4439826251f72240c1c10ffa6b904582004b1845e929b5
196 Risk Score

Malware Insights

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

This PDF file was identified as malicious by multiple heuristics and a machine learning classifier. It contains numerous external links, including one pointing to a redirector disguised as a 'BP mission statement', which likely serves as a lure for phishing or to distribute further malicious content. The presence of many external links suggests an attempt to create a link farm or redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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/wix?keyword=bp+mission+statement PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4369305/normal_5fc6d577b0c1f.pdfIn PDF document text
    • https://jetosiwer.weebly.com/uploads/1/3/4/7/134767378/zawaba.pdfIn PDF document text
    • https://rizipopene.weebly.com/uploads/1/3/5/3/135316145/29c4cd8996d5.pdfIn PDF document text
    • https://regivuno.weebly.com/uploads/1/3/1/0/131070843/5994868.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4493198/normal_5fea2b8eaea73.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://1c8fadd7-09eb-4d2b-9d42-8e747ba5ce52.filesusr.com/ugd/60625b_350c554d980c4553871ed10985ae7149.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/zepifudoxapo/mulitir.pdfIn PDF document text
    • https://s3.amazonaws.com/kewakuko/57912023177.pdfIn PDF document text
    • https://s3.amazonaws.com/megujobemegor/hypertension_guideline_aha_2017.pdfIn PDF document text
    • https://1347de4c-4e54-429a-b84c-372e60bc5a2b.filesusr.com/ugd/6c98bc_93222bc9f3d6474d969f3c4fb1526143.pdf?index=trueIn PDF document text
    • https://f11c4bf2-12a6-49f8-9590-07a94b689168.filesusr.com/ugd/11276f_4a169bdfd7b04852be8806a36cdffd14.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/37c25981-7110-474c-8b25-9f5350c62b14/does_taco_bell_healthy.pdfIn PDF document text
    • https://a1d1c4ac-cf1d-4c58-861c-45d1188f4b60.filesusr.com/ugd/052f3a_87b9214714c94b6ab141f4d3b5a8db89.pdf?index=trueIn PDF document text
    • https://968bac2e-1409-45a7-bd11-2c37eba47390.filesusr.com/ugd/c81504_81b850d142f142afad72017474711c0c.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/10c8b167-8a75-4e77-9266-7b856f93d41d/the_rime_of_the_ancient_mariner_analysis_part_3.pdfIn PDF document text
    • https://19aaccd0-9772-41b6-85c4-be118606641a.filesusr.com/ugd/a12125_a6f84fabfdd647768a2f1ef543b92448.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/07f51594-b4a8-4285-a02a-06e5ae5cd0af/kindergarten_math_workbook_free.pdfIn PDF document text
    • https://s3.amazonaws.com/nosepevozux/bejeweled_3_crack_free.pdfIn PDF document text
    • https://73e25548-3913-4bbb-aa69-a1b25f69568d.filesusr.com/ugd/cece23_69f0dbe5a98841b1a79a562d64763112.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/25dee16f-20a5-4a23-9a20-c95a89e30f5f/gekoliwarag.pdfIn PDF document text
    • https://s3.amazonaws.com/jezobasit/30474838641.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_off00014e56.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14E56 4888 bytes
SHA-256: 8b331bd68f6b677306de53b010e7bab7d5f22c5f8042f17a91e8875cab6c8b3a
font_01_sfnt_off00015ee0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15EE0 10576 bytes
SHA-256: 030830b0462ac3543db966632ed48514f959047898c8d08dc39ef6cc5406ef9b