Malicious PDF — malware analysis report

Static analysis result for SHA-256 689fb45f02869116…

MALICIOUS

PDF

43.2 KB Created: 2020-08-21 10:29:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 80c846d7b640534fa1a6868a74970821 SHA-1: 03d10a1b94150bb39528b7e6c7b13ad2f9cff57d SHA-256: 689fb45f0286911670b464c6bed0927587309479dfb36aefd21af3db36f31217
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link farm and a redirector URL, indicating a phishing or scam attempt disguised as a free download. The ML classifier strongly flagged this PDF as malicious. The primary redirector URL is associated with malicious activity, suggesting it leads to a malicious payload or further phishing content.

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=keynote+template+medical In PDF document text
    • http://files.trippyanimations.com/uploads/1/3/0/8/130813054/6246ab595f75e69.pdfIn PDF document text
    • http://xinovab.tuxedowarehouse.net/uploads/1/3/1/0/131070458/woxelekituvumanofo.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/1/0438/1966/3517/files/60897974415.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1111/3123/files/lomosajasapozi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0521/3854/files/ginopiwutegimagusorugop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3776/9383/files/fivobavepekasonize.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0989/1742/files/gibapu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7560/0535/files/simple_future_tense_exercises_with_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6563/8050/files/simplesmente_acontece_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8645/3663/files/javemizusanusuvajebu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5665/9621/files/gewaxigitubetegotale.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0592/6809/files/49938028674.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 1

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_off0000605f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x605F 3292 bytes
SHA-256: 0aada433ef3216ec35e90d0e7531e7b867647baa968975aac11123756528c5a3
font_01_sfnt_off00006c2d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C2D 5016 bytes
SHA-256: df4c949950a193f9c737ed74e79e60135380bea205e288f7722daf7341fb91ef
font_02_sfnt_off00007d31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D31 10224 bytes
SHA-256: 2bd607fa1bd3955eb106dd1ca19c4284b7368e2d75c335acee33205619c9832f

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