Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fedc934301363d7…

MALICIOUS

PDF

38.6 KB Created: 2020-08-22 01:48:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 720342ccb8475fff05381964493151c0 SHA-1: 9f55b243b6b84eb7cea95aba7a11de39d7d4048b SHA-256: 2fedc934301363d7c474def9e3cc55212b1aaa5151f16e7d9b8bad562ea5247d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though partially corrupted, contains text related to 'Logo quiz minimalist level 12 answers' and the malicious URL, suggesting a lure to trick users into clicking the link. The PDF_SEO_LINK_FARM heuristic indicates the presence of numerous external links, further supporting the malicious intent of redirecting users.

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=logo+quiz+minimalist+level+12+answers In PDF document text
    • http://files.drivingfordeclan.com/uploads/1/3/1/3/131384656/6047206.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/1/0434/3640/8982/files/ralego.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0197/0837/files/45725027578.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7133/2767/files/61622173773.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1116/8664/files/75100579615.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3874/4476/files/20774950311.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/97098861098.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xodowowesibaxen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/2535/6184/files/65170593445.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/5152/7842/files/virology_books_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3057/6295/files/22515023151.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004adb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4ADB 5340 bytes
SHA-256: 952f18985e317e897b92f0741c18df3269f26027de23c261a98720ce8db4d68b
font_01_sfnt_off00005d13.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D13 10132 bytes
SHA-256: 098ae848a87a679f5a0d657a76f1fa725a73a63359c8a5c9fe52d0c15a6d9145
font_02_sfnt_off00007fa8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FA8 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3