Malicious PDF — malware analysis report

Static analysis result for SHA-256 32493bc0c48cf3f5…

MALICIOUS

PDF

51.8 KB Created: 2020-08-11 00:52:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f4214a3572fea3a348b656af72671b19 SHA-1: c429451eff378b8a1da34454685e5b60f9eccc0b SHA-256: 32493bc0c48cf3f5f107c28bc798998d909067083dd0e9834111f8c025d5e8bf
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure via the URL https://ttraff.com/pify?keyword=apprendre+%25C3%25A0+dessiner+pdf. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs pointing to external resources, including several on cdn.shopify.com. The ML classifier also strongly indicated maliciousness. The document body contains obfuscated text and a URL, suggesting an attempt to lure users into clicking malicious links.

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.com/pify?keyword=apprendre+%25C3%25A0+dessiner+pdf In PDF document text
    • http://files.aandnlawn.com/uploads/1/3/0/7/130775475/4511354.pdfIn PDF document text
    • http://werakege.pacificcountycovid19.com/uploads/1/3/0/7/130739415/4362545.pdfIn PDF document text
    • http://files.santafechamber.com/uploads/1/3/1/3/131398517/3d9c05059.pdfIn PDF document text
    • http://files.monsoonblooms.com/uploads/1/3/1/6/131606636/purikulev_garirava_jefis_devitebi.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/1/0438/4089/7174/files/act_3_scene_2_hamlet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9861/9557/files/xawenafiwafuruwos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/9651/8299/files/25517016995.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7480/4126/files/magev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5872/5018/files/sotisobopud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8588/9689/files/fatal_no_such_remote_origin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9063/2092/files/16402265531.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5581/6608/files/tikalosopekumigep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2833/3219/files/pdf_of_mixture_and_alligation_problems_for_competitive_exams.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6068/2139/files/21750739314.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4418/1928/files/kirarufolejivasutunol.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 6

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_off0000893c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x893C 5016 bytes
SHA-256: 3c2b174ff91e95d92479ff8acfacd6c2e8b10050f43d98769aa05df9a4fdf04d
font_01_sfnt_off00009a5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A5A 12256 bytes
SHA-256: fd3c8e6c96a68b24e5e181ec6dd96867402e13bd467ded8685b4926a21cca83e

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