Malicious PDF — malware analysis report

Static analysis result for SHA-256 7cf32e5a2ad3bfd8…

MALICIOUS

PDF

43.2 KB Created: 2020-08-21 20:13:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9ce1a41ddf183bd45d6f1684246bd0c8 SHA-1: 8aff99e99cb8d4b21db1879ac3e375dc842475e6 SHA-256: 7cf32e5a2ad3bfd86e87adb17a18108c9eed1aa59da24a3dfa00f08f4ee7af15
194 Risk Score

Malware Insights

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

This PDF document contains multiple embedded links, including one that redirects to known malicious infrastructure. The document body text and heuristics indicate a lure related to "Newsela pro/ con answers" to encourage users to click the malicious link. The ML classifier strongly supports the malicious verdict.

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.cc/pify?keyword=newsela+pro%252F+con+answers In PDF document text
    • http://files.sacpb.org/uploads/1/3/1/4/131408103/6283219.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2504/7463/files/rimbaud_les_illuminations.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3070/8385/files/tech_n9ne_mp3_skull.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7230/5817/files/31927200824.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3315/7014/files/fusionner_plusieurs_acrobat_reader.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2191/7598/files/vigibugapunuzeliva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6258/2693/files/pajisokakez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3920/3229/files/pabenamepufugevet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5283/4711/files/62772319316.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005f26.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F26 4684 bytes
SHA-256: 8f5a9fab343e98009eda373aa3c7f513de67826c926a961a7e752039f036a6d3
font_01_sfnt_off00006f26.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F26 10300 bytes
SHA-256: b11ebcd08158b69c33fe2a7011bd4bb214abf364a251a2ec6c977cf199cdb38f
font_02_sfnt_off00009250.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9250 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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