Malicious PDF — malware analysis report

Static analysis result for SHA-256 50c32b09cb3546f8…

MALICIOUS

PDF

84.7 KB Created: 2020-08-19 14:29:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 47a04db4570e352ef9ca28fd380d450b SHA-1: e8b0ce35cc8530360976d5e900b4bf7cdc305f75 SHA-256: 50c32b09cb3546f8de998a6e326cc36eadb47db6664c5ef049da6d2d9bc7e326
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 link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=character+development+sheet+pdf', suggesting a lure to a phishing or malware distribution site. The presence of multiple PDF links, many hosted on Shopify, indicates a link farm strategy to obscure the ultimate destination.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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=character+development+sheet+pdf In PDF document text
    • http://bojuwi.texairamerica.com/uploads/1/3/1/1/131163635/danisomonobafu-wajovasavab.pdfIn PDF document text
    • http://files.burmantoftscommunityprojects.org/uploads/1/3/1/3/131383619/2f4687.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/1/0428/0372/4455/files/sins_of_solar_empire_rebellion_mods.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5905/9615/files/10957016944.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8954/2809/files/whatsapp_video_call_new_version.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7708/4070/files/lixuvemipudufivi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1479/1069/files/degasisa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9513/7181/files/sony_kdl40r510c_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0453/4692/files/detujeraxowawex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3000/1302/files/81131930369.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/16994954809.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
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006c57.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C57 6784 bytes
SHA-256: 11883933519a646c5112363f06db22da894ab45349552e1f10ddc1a7931bf487
font_01_sfnt_off00007d61.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D61 3136 bytes
SHA-256: df71740bcf0f50be481a3519b744d391d1383f2cad4370a7003c069d562e3104
font_02_sfnt_off0000888c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x888C 5360 bytes
SHA-256: 416fe7fbdd05f48148004f7a3ae57c95a03ce2b105bb72b765ae3bdbba3a0814
font_03_sfnt_off00009aa5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9AA5 33528 bytes
SHA-256: da9cbfc836974b43e441f110c378fcd14d5bbb55cc2017026b4f76f01fc0ff06
font_04_sfnt_off0000ff0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF0E 13280 bytes
SHA-256: 9015b230a6c8b484e9953575f4ffb2120440b5ce0ff561f5cd94267ed39b2915
font_05_sfnt_off00012989.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12989 18204 bytes
SHA-256: b8276803e3fe4c0e6f7133f82b9abd1ac1b577214ad35577c0139ecb3736896c