Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e39cf61fc3e413e…

MALICIOUS

PDF

41.0 KB Created: 2020-08-04 09:25:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6c857774c09d8df153564865b39b429b SHA-1: 4cd36070b21d13bdae49e916f594683dbe98562a SHA-256: 0e39cf61fc3e413e22cde8709921620fe6a6d71fa043aa3c77b81f45a7f479ca
194 Risk Score

Malware Insights

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

This PDF document functions as a link farm, directing users through a redirector URL to a potential phishing site. The embedded URLs and the heuristic firings indicate a tactic to lure users into downloading a file under the guise of 'aldehydes and ketones notes pdf'. The ML classifier strongly supports the malicious nature of this PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://ttraff.com/pify?keyword=aldehydes+and+ketones+notes+pdf In PDF document text
    • http://files.chloecustomcollections.com/uploads/1/3/1/4/131438175/ripimi.pdfIn PDF document text
    • http://files.hcband.org/uploads/1/3/2/6/132682040/powopasitapusum-talesujoj-sazutefopagaz.pdfIn PDF document text
    • http://files.glensheppard.com/uploads/1/3/0/7/130775866/2687655.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7300/2906/files/sulelejojupiven.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1817/4107/files/xegedidasiganor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lejozusuxawunulimedobina.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2071/2098/files/66944994877.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9830/0823/files/38664727521.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6109/2250/files/43203084622.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gowavofopinesifaremoka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7675/5349/files/spotfire_tutorial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9468/8412/files/14001234962.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 5

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_off000062e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62E7 5188 bytes
SHA-256: dabbc121e7b710ee18001c75f7fe2de479fc90867c860f3dce510099d0023985
font_01_sfnt_off00007498.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7498 10124 bytes
SHA-256: 762336d4120295bd6b3a7359e715d50a5d466cfc8c5aadb4af81d1d5f2f70668

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