Malicious PDF — malware analysis report

Static analysis result for SHA-256 1aba4da2c1bee0c6…

MALICIOUS

PDF

47.6 KB Created: 2020-08-19 03:29:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5dcb9f3a6248f562fd4938858d933250 SHA-1: 7f3ff45252184328824fff29494c23c9d69157c7 SHA-256: 1aba4da2c1bee0c64962e58bfffbde2c8af32d8b8a0c3d6051a7effa31eefc7b
194 Risk Score

Malware Insights

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

The PDF file contains numerous external links, with a critical heuristic identifying a malicious redirector. The document body, though heavily obfuscated, contains text related to '3d jewellery cad software free' and a URL pointing to a redirector. This suggests a social engineering lure to drive traffic to malicious infrastructure, likely for further exploitation or phishing.

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=3d+jewellery+cad+software+free In PDF document text
    • http://files.newbeginningswalworth.com/uploads/1/3/0/7/130776841/tunanazopab.pdfIn PDF document text
    • http://misapug.libertyruth.com/uploads/1/3/2/8/132816066/nojarexosinope.pdfIn PDF document text
    • http://zuguti.papertrainslitmag.com/uploads/1/3/1/3/131384013/rigebukefewojaxip.pdfIn PDF document text
    • http://sexali.holisticlivingjourney.com/uploads/1/3/0/8/130874493/zumotaxuvoloxajon.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/1/0429/2391/7478/files/69433353255.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8580/0358/files/totesisanu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9118/2243/files/magamisome.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5652/9565/files/self_defense_mechanism.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5477/4949/files/37391853296.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0454/6196/2910/files/57693570281.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6467/1909/files/nareku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7663/0181/files/us_states_alphabetical_order.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3963/7155/files/ato_superannuation_guarantee_charge_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5095/7991/files/template_curriculum_vitae_menarik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6374/6465/files/32437624330.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_off00007ce2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CE2 5356 bytes
SHA-256: c4a3ce6a7767dee5caccc3381cb4f2a88ca9a8c984b881686a6499b0f0f73d13
font_01_sfnt_off00008f33.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F33 10036 bytes
SHA-256: 72f3792f597194eaa18c9c78f504c4fd0f5fc6b530df1f33dcb4c9197a568ee6

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