Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ccd04532c4dd807…

MALICIOUS

PDF

50.0 KB Created: 2020-07-25 02:42:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 620ab986dfadaae13f0664d65e649b03 SHA-1: f004e6cae4a4144bdf72e8d718200145f5c106c3 SHA-256: 3ccd04532c4dd807e8ceb27415adcef44535f680185fe66b7f26a66b1be5d525
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it directs users to malicious infrastructure. The document body, though heavily obfuscated, contains text related to 'airline ticket template word free', suggesting a lure. The primary IOC is the redirector URL, which is likely used to deliver a secondary payload or phish for credentials.

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=airline+ticket+template+word+free In PDF document text
    • http://files.lincolnfencecontractors.com/uploads/1/3/2/6/132681938/7c5f525598fb.pdfIn PDF document text
    • http://files.shop120southmain.com/uploads/1/3/1/6/131607522/sabed.pdfIn PDF document text
    • http://files.kelownabreastfeedingcafe.com/uploads/1/3/1/3/131379608/709461fb89f690.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/1/0435/1010/4228/files/95104078661.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0581/1608/files/3811581945.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rirolor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8861/7378/files/juwepogeluzekozigak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4217/7181/files/24073557095.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2756/9576/files/54225074952.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/909040323.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/44628440260.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mutiga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7764/8027/files/21034396210.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6550/5952/files/jonubesovijopurazafo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0522/1784/files/32337973715.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_off0000873f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x873F 5056 bytes
SHA-256: 96aab88f4de206c092375af90978a0f2e15194fa9332eed05f3e310b9c8978c7
font_01_sfnt_off0000985e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x985E 10124 bytes
SHA-256: 6fff6a7d420a7a4e378b914b86a814c90da3363f60d791a5e4f7eead248f4028

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