Malicious PDF — malware analysis report

Static analysis result for SHA-256 5396cee8a194817e…

MALICIOUS

PDF

114.2 KB Created: 2020-08-14 07:11:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ef72e46cd6b2e0b21f53657bd3cbb09b SHA-1: 4ca7cc7dca4790e11fac7ac63816b46fec454ef6 SHA-256: 5396cee8a194817ec479a1a815de2d8a322f6ff6fa15a034d50d52910434345f
242 Risk Score

Malware Insights

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

The PDF file contains a link to a redirector URL, which is a common tactic for phishing and malware delivery. The document body, though heavily obfuscated, contains text related to a 'buy buy baby registry checklist' and urgency lures, suggesting a phishing attempt. The presence of a link farm and a redirector points to an attempt to drive traffic to malicious infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 7

  • 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.
  • 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
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=buy+buy+baby+registry+checklist+pdf In PDF document text
    • http://fifafes.gracefmc.org/uploads/1/3/2/7/132712615/nijowijifetisu.pdfIn PDF document text
    • http://files.offtheleashpark.com/uploads/1/3/0/8/130813888/73a06bdedf9.pdfIn PDF document text
    • http://kuginivaz.hopefulplace.com/uploads/1/3/1/8/131856318/repizumezama.pdfIn PDF document text
    • http://files.wynnenoblepotteryclass.com/uploads/1/3/2/7/132740515/3e250aa534.pdfIn PDF document text
    • http://files.planofmd-dc.org/uploads/1/3/1/3/131383581/9b672db77981345.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/1/0437/1100/4821/files/dotixizekotijune.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/2581/4936/files/93298556445.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6628/5464/files/16333447062.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6807/0824/files/18154614046.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4104/6171/files/38102040786.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8383/3249/files/kebekibuwejelonetanujex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4312/6438/files/anterior_cruciate_ligament_treatment.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/1044/6744/files/adobe_reader_free_download_cnet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0601/7186/files/44210597375.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0499/1387/files/blender_zoom_to_object.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5409/4753/files/zuwakogepugapexemafetop.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00014958.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14958 6716 bytes
SHA-256: 1794237af898a87aace375cdb24435c0abe792639612bfcc125cb02e849e5fa7
font_01_sfnt_off00016039.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16039 5772 bytes
SHA-256: a740c0967ed8aa8206a3e42c6501abab2eb45260f45aeadf90feff6c0fa68ee3
font_02_sfnt_off000173ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x173CE 2812 bytes
SHA-256: 740517884f8e94d6cb26e632bd3a8be6b6574c0092d40801c0da915676f5c498
font_03_sfnt_off0001801d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1801D 10988 bytes
SHA-256: f0b7a0b3da33503b070b968d02f32102a5a6bd98d1c994ca3e6973f5259ee011
font_04_sfnt_off0001a5ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1A5AC 16076 bytes
SHA-256: ae9a880aa011dee689cea33f036d6643e4ca0ad3dc7227618f3bf3ed12593692