Malicious PDF — malware analysis report

Static analysis result for SHA-256 048ece350d51e760…

MALICIOUS

PDF

48.6 KB Created: 2020-08-22 12:39:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c9b91b7db02b2877cbf29478a8e12246 SHA-1: 325fe677625209b5dfbd5f0a3206ff93b5123984 SHA-256: 048ece350d51e7601fb6cf7427e6ffab2449facfdd6cd0c277eaaee14bc601c4
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to external resources, many of which are hosted on Shopify and appear to be part of an SEO link farm designed to distribute malicious content. The primary redirector URL, 'https://ttraff.cc/pify?keyword=ecg+interpretation+quiz+pdf', is flagged as malicious, indicating a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains references to the quiz topic and the malicious redirector URL, reinforcing the 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.cc/pify?keyword=ecg+interpretation+quiz+pdf In PDF document text
    • http://files.sandaharrboerboels.com/uploads/1/3/2/6/132681566/6896535.pdfIn PDF document text
    • http://movorila.monarayfineart.com/uploads/1/3/1/4/131408024/5497190.pdfIn PDF document text
    • http://files.jalanpipes.com/uploads/1/3/1/4/131406835/nibibudujiginitufuzo.pdfIn PDF document text
    • http://keborum.teachitalian.co.uk/uploads/1/3/1/4/131409090/rejujugabom.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/1/0428/9026/4742/files/78525402664.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1979/6633/files/tamil_songs_2015_to_2019.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8578/3455/files/kuvivurugavivowokedamo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8511/0177/files/zolipasiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4364/2792/files/wexitizibojofuku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0758/9027/files/44569223399.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8502/8758/files/drivers_village_toyota.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5526/8518/files/piwawupexiki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4015/3505/files/68224382843.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/8740/0864/files/clsi_esbl_guidelines.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_off00007d13.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D13 5244 bytes
SHA-256: 19d154dd61ffa5c60c04bf254b50c165e63c62d4e11b2b5385d4f67ba484fb43
font_01_sfnt_off00008ef2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8EF2 11812 bytes
SHA-256: a362bf06f109d53ff4975bc0cee5baa003f7ed34dd197666ceed5c256cb3154f

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