Malicious PDF — malware analysis report

Static analysis result for SHA-256 30abda6dd3bdfd34…

MALICIOUS

PDF

35.3 KB Created: 2020-08-24 08:58:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: dccecc41b9d3cfa600048cdf44f6dc01 SHA-1: c31658014bcffd43c8ab2025843bea077e915607 SHA-256: 30abda6dd3bdfd34691afd4c3f3f3c0ab0a4f3ebffa88b8b40b2e2a8d96fc4af
194 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link that leads to a large farm of other PDFs, likely for SEO poisoning or traffic generation. The document body, though heavily obfuscated, contains the primary malicious URL. The ML classifier strongly indicated maliciousness, and the presence of numerous embedded URLs points to a delivery mechanism designed to lead users to further malicious 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=jamshedpur+today+weather+report In PDF document text
    • http://gofowi.ndcsw.org/uploads/1/3/0/7/130776873/7778961.pdfIn PDF document text
    • http://files.rightdevelopmentfoundation.com/uploads/1/3/1/3/131379553/990693.pdfIn PDF document text
    • http://navew.taiwanhotelnews.com/uploads/1/3/0/8/130813714/pumenixuwifo.pdfIn PDF document text
    • http://files.recycledcabinetsolutions.com/uploads/1/3/0/7/130776077/luguzulelotof-jezoxedozikag.pdfIn PDF document text
    • http://files.hinghamwomensclub.org/uploads/1/3/1/4/131454521/kewadinod.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9443/4207/files/34569388188.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8350/5570/files/17460412312.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6438/5951/files/60037525944.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4594/4481/files/bim_360_docs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6750/6849/files/kumulavevul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3159/3113/files/graduate_school_tu_delft_course_attendance_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9181/2767/files/11570153034.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0086/2619/files/2206994813.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9101/6347/files/solving_linear_equation_worksheet.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004196.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4196 5080 bytes
SHA-256: cac0c7269848cecdc2656af7f6bddd75f14d1aae3040ba9b571216346c0b35f2
font_01_sfnt_off000052eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x52EB 9260 bytes
SHA-256: cc6d61de9b5d0c35b9d0d1aac3bb8df618e9cdc610c0b274e060b71467b6b115
font_02_sfnt_off00007284.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7284 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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