Malicious PDF — malware analysis report

Static analysis result for SHA-256 a028f8879bf62dd4…

MALICIOUS

PDF

39.2 KB Created: 2020-08-15 22:40:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a31d450af4fcbe1e7073d03f8979897e SHA-1: 70f9b4b4e1721273597b18a3308d65328399ddf2 SHA-256: a028f8879bf62dd4e09875f085f63857d58de1c43f41547bba600b388e2f4df3
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a deceptive link disguised as a meditation guide, which redirects to a malicious URL. The PDF_MALICIOUS_REDIRECTOR_LINK heuristic and the embedded URL confirm this redirection behavior. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many hosted on Shopify, suggesting an attempt to distribute malicious content through seemingly benign platforms. The ML_NYX_PDF_MALICIOUS score further supports the malicious nature of the document.

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=five+minute+guided+meditation+for+anxiety In PDF document text
    • http://files.nanoluge.com/uploads/1/3/0/7/130775583/e7eab6269b5.pdfIn PDF document text
    • http://files.jamie-carl-design.com/uploads/1/3/2/7/132711999/5786217.pdfIn PDF document text
    • http://files.pfcmooremess.com/uploads/1/3/0/7/130776072/65264bc54.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/1/0440/6942/1206/files/fuxozetipijofo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9386/9223/files/fulotikevupedubi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6730/2295/files/32753829471.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8189/8913/files/fizotutaxumejepovozimuzen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6108/3301/files/72408504846.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3443/4969/files/arduino_led_cube_projects.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0452/5775/2733/files/encyclopedia_britannica_vk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7036/5589/files/movimiento_rectilineo_uniforme_y_uniformemente_variado.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6618/7176/files/arrayutils_java_import.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2921/7958/files/lafepino.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1916/6105/files/xejuwidulubelasoruwobibob.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_off00005d2e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D2E 5200 bytes
SHA-256: ef89ae5540e5e4d0be3d2e6df261524f71dac843bb9364b192fa306237d17050
font_01_sfnt_off00006ed9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6ED9 9632 bytes
SHA-256: 3e35b980d3e4670d4e43df116e28f1163a42364725e0883dff575b6fac00e4f0

Open this report in the interactive analyzer, or submit your own file for analysis.