Malicious PDF — malware analysis report

Static analysis result for SHA-256 7932d62c4a1c15ac…

MALICIOUS

PDF

84.9 KB Created: 2020-08-09 13:33:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d40ce2f33cce824b25d2904c2b1486d1 SHA-1: 0ff8d97679ee0bfac6716f1ed4ae85b369dd1fbb SHA-256: 7932d62c4a1c15ace59c22d09081d45da6dc9541f371cbe27179079adbca0b4e
194 Risk Score

Malware Insights

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

The PDF contains numerous links designed to create an SEO link farm, with a critical heuristic firing indicating a redirect to known malicious infrastructure. The embedded URL and the document body text point to a lure related to 'utilitarianism examples pdf', likely a pretext for phishing or malware distribution. No scripts were extracted, but the PDF structure and link farm heuristics strongly suggest a malicious intent to redirect users to harmful 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=utilitarianism+examples+pdf In PDF document text
    • http://files.chaseaviation.com/uploads/1/3/1/3/131379183/kimir.pdfIn PDF document text
    • http://files.marrymeinindy.com/uploads/1/3/2/6/132683260/9272c315246.pdfIn PDF document text
    • http://files.highsierrachemicals.com/uploads/1/3/2/6/132681294/fukojofu_sekoxiwi_pedatiwi.pdfIn PDF document text
    • http://fikik.studioescargot.net/uploads/1/3/0/8/130813612/8a66e3.pdfIn PDF document text
    • http://files.reverbqueers.com/uploads/1/3/1/8/131856987/begazakovizovomini.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/1/0438/1668/1629/files/5515044819.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2409/7191/files/single_step_income_statement.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5665/9621/files/matupele.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8336/6551/files/classroom_assessment_and_evaluation.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0515/7284/files/zofuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8963/9077/files/tubupevatavirowuvedebofaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5856/9115/files/xinetolafu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6108/3301/files/lolur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7509/3159/files/82580060739.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7877/0076/files/73939618787.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 3

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_off0001107b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1107B 5244 bytes
SHA-256: a3c5e3c5a294ca478349b45c97a24cc268cb9f23b95c684a13689d81367de689
font_01_sfnt_off00012242.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12242 10468 bytes
SHA-256: e2632c151773760878a44bb72f3b87b4c2cb813f553b9662a71825fcbe8af940

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