Malicious PDF — malware analysis report

Static analysis result for SHA-256 5567c60611545b60…

MALICIOUS

PDF

43.6 KB Created: 2020-08-02 22:24:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3ea21c188ac45aa90ff0dbd606043593 SHA-1: 11c4ef9d7baac0942937b75190bf4538377a2038 SHA-256: 5567c60611545b60c6de3c7ad3515db90c39024ee5feebf5d9781846ec7bbebf
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link and a link farm, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains text related to 'lottery number generator' and embedded URLs, reinforcing the advance-fee scam lure. The primary malicious URL identified is ttraff.ru, which is used in conjunction with a lottery-themed lure.

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.ru/pify?keyword=lottery+number+generator In PDF document text
    • http://files.doreenscheels.com/uploads/1/3/0/7/130775062/xilabesusugamogu.pdfIn PDF document text
    • http://files.solightpro.com/uploads/1/3/1/8/131871605/18a3966dd5e00.pdfIn PDF document text
    • http://files.bellasdiscoverys.com/uploads/1/3/1/0/131070579/jebakakit-bozosa-ritiluxepipe.pdfIn PDF document text
    • http://files.calallenfootball.com/uploads/1/3/0/7/130739093/e7f2a4927176f98.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/1/0431/3831/8487/files/wotufexiguwekujitevon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4550/2626/files/gci_tv_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8980/3941/files/wojikaxibeditemap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6631/0299/files/49971014066.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1958/3138/files/27763434142.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3108/4701/files/fevevakudisofekuvumak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0058/6649/files/18262526236.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2476/9436/files/4758701767.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96951977507.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0633/6930/files/14048120652.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2650/5128/files/62337769697.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4681/3346/files/lil_boosie_mp3_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4630/4920/files/56388549680.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_off00006de3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DE3 4980 bytes
SHA-256: 015f95d3aa02a5d77c65544f8d6c061b85319a31ac470765eb3c128576b748e6
font_01_sfnt_off00007ece.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7ECE 10200 bytes
SHA-256: 6181befc494ab4b53db49686d3ecf83989220c17a87a6d9c3f21dc41441c15b1

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