Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd14a60c58683637…

MALICIOUS

PDF

66.2 KB Created: 2021-02-01 07:49:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 2f4c52b2358ab876f8a47eb39c7c3edc SHA-1: 53dcc7f1f2714ff8b0c74167eaf7249f5dcce4e0 SHA-256: bd14a60c58683637fa9ac471bc2969bb8b0aedabf203323cb51a9b994e1f7e2d
136 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file was flagged by multiple heuristics, including ML classification and ClamAV, as malicious phishing content. It contains an external URI and an SEO redirector link pointing to 'https://druttle.ru/aws?utm_term=avery+label+template+5160+for+mac', which is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, suggests a lure related to 'Avery label template 5160 for mac'. No scripts were extracted, but the presence of embedded URLs and the overall detection profile strongly indicate malicious intent.

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
  • 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://druttle.ru/aws?utm_term=avery+label+template+5160+for+mac PDF link annotation
    • http://dakuximakux.22web.org/jemajasufal.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412591/normal_6010f82ccdb13.pdfIn PDF document text
    • http://shoop-fl.ru/tejokawabisilezib1tsz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403822/normal_60139935ef44a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412778/normal_5fddca7ba67bd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4449627/normal_5fcb5a6413cb7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413585/normal_5fdd93010132b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4419235/normal_5ffce3cedc8f8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381962/normal_5fd7c816a8ada.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/kulinisokakewi/jivaxakeruvosupebazub.pdfIn PDF document text
    • https://s3.amazonaws.com/nawosineromigi/10344894270.pdfIn PDF document text
    • https://s3.amazonaws.com/sazomo/forenajurevixadalajuve.pdfIn PDF document text
    • https://s3.amazonaws.com/wazotojemov/ameliorate_transforming_body_lotion_on_face.pdfIn PDF document text
    • https://s3.amazonaws.com/regufojalojaza/lajipoxoxupafisupimumewik.pdfIn PDF document text
    • https://s3.amazonaws.com/lunojol/esl_reading_advanced_worksheets.pdfIn PDF document text
    • https://s3.amazonaws.com/dufekifaral/subcontractor_agreement_template_uk.pdfIn PDF document text
    • http://varaxekewuveza.epizy.com/gedojoponudixugupamirol.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_off0000c2c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC2C4 5748 bytes
SHA-256: 38b96fa514ab1948e89274d940144bf404286433238c209525ae11f41d0ea4db
font_01_sfnt_off0000d655.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD655 10940 bytes
SHA-256: 4f7092a662c06c8f71f2cc5b7404e0bc25a8065c33ba785f764fb14ca9ab699c

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