Malicious PDF — malware analysis report

Static analysis result for SHA-256 1132a47890dce98f…

MALICIOUS

PDF

43.7 KB Created: 2020-08-06 01:46:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: aacfbe524a1b5b53204dea52f022b0d4 SHA-1: 8be0848ad8018e0d8b76126ab5082af1f7b48f5d SHA-256: 1132a47890dce98f3d9733e0a89c01afdd4640b2033d861710764d58ebb0d6b2
194 Risk Score

Malware Insights

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

The PDF contains multiple links pointing to redirector infrastructure, specifically identified as a malicious redirector. The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains a URL that is also present in the heuristics, suggesting a lure for users to download or access content from a potentially malicious source.

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.ru/pify?keyword=teaching+learning+strategies+pdf In PDF document text
    • http://files.sweetlife-blog.com/uploads/1/3/1/0/131070374/zobibimubipa-wivopomamelalev-xawivizader.pdfIn PDF document text
    • http://files.gylrae.co.uk/uploads/1/3/0/7/130775084/fubivofi.pdfIn PDF document text
    • http://files.madlyeclectic.com/uploads/1/3/0/8/130814902/9b545f3b4596d2d.pdfIn PDF document text
    • http://files.tarabooth.com/uploads/1/3/2/8/132815791/zefawova.pdfIn PDF document text
    • http://files.hallelujah-lighting.com/uploads/1/3/0/9/130969160/gefepolejenimel.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/1/0432/9802/9733/files/33792308134.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9063/2092/files/lutonunabiw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5287/5424/files/selepejuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7266/0390/files/jivijuneratofobasuzoxab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9620/3679/files/kodekupinenis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9652/2398/files/6049326364.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2072/2080/files/98138716265.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2376/0536/files/45497829035.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5627/3310/files/ansiedad_cronica.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1829/6228/files/32110394702.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/72619586694.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 8

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_off00006e20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E20 5368 bytes
SHA-256: 9396aa93db6fecb4eef9c749c9891c06e61b86373fc66da064887d4c59602693
font_01_sfnt_off00008059.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8059 9724 bytes
SHA-256: b7f0610ca671ea90ab335831075a2913e020aabb9fb66806deb74e8bc1ffa45f

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