Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee502bfcc58ae13e…

MALICIOUS

PDF

50.2 KB Created: 2020-08-16 15:10:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9b2a141919969752a83f250c15d70c71 SHA-1: 8f2ea5dc74a470690a6eaeddf9046c008386dca8 SHA-256: ee502bfcc58ae13e0259ce6cc7d2df490c37286de0ee14f24e13875b8de7d939
202 Risk Score

Malware Insights

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

The PDF contains a high number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the string 'https://ttraff.cc/pify?keyword=apache+ant++salesforce', indicating a lure. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests this PDF might be a precursor to delivering a password-protected archive, further increasing the risk.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • 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=apache+ant++salesforce In PDF document text
    • http://files.enosexecutiveteam.com/uploads/1/3/1/4/131436978/6364980.pdfIn PDF document text
    • http://files.huckleberryhideout.com/uploads/1/3/1/4/131437987/9749361.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/1/0428/9835/8432/files/taridulozomoxekolakinuku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9486/8122/files/noxosubowoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8069/4437/files/ukulele_tabs_songs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4291/2926/files/anova_test_in_spss.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3302/4929/files/st_cyril_of_alexandria.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1724/8672/files/11105369706.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1713/4499/files/ayurvedic_gujarati_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1850/0765/files/bibanif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3573/7755/files/viraladunagewegupij.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_off00006f48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F48 5092 bytes
SHA-256: f9afcf3a40be69003adbbd055ab9acfc7e028bd92bcff4a9eb61fb718bd5bdeb
font_01_sfnt_off00008083.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8083 1800 bytes
SHA-256: e9a5a1f6ed95b1e3669933bb00002ad32a1708c3e0b735191cad5e02368a6c7d
font_02_sfnt_off00008911.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8911 15584 bytes
SHA-256: 5632848372e1a756167191174ff65e265d0b358fe17be592f22167c2deb389f7

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