Malicious PDF — malware analysis report

Static analysis result for SHA-256 48c267306582aa55…

MALICIOUS

PDF

35.7 KB Created: 2020-08-05 06:58:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 618c36a19a1de719d19ad6b47a4682f0 SHA-1: c2055acc7a74411002206b8d1aa9388a459d09d6 SHA-256: 48c267306582aa55dd8438693e8133b54d134ba1fa67ffeb438fb762f2687cad
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded 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=simple+present+tense+adverbs+of+frequency+exercises+pdf, which is likely intended to redirect the user to a malicious site. The presence of many links to Shopify-hosted PDFs suggests an attempt to blend in with legitimate content while directing users to a malicious destination.

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.com/pify?keyword=simple+present+tense+adverbs+of+frequency+exercises+pdf In PDF document text
    • http://files.broadhurstpreschool.com/uploads/1/3/1/4/131482975/4735893.pdfIn PDF document text
    • http://files.ameliaguild.com/uploads/1/3/0/7/130738710/3219507.pdfIn PDF document text
    • http://files.perfectpelvicfloor.com/uploads/1/3/0/9/130969297/241985.pdfIn PDF document text
    • http://files.psacollegecounseling.com/uploads/1/3/2/7/132712614/1307266.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/1/0428/9753/9231/files/wovinolifosax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37394074323.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0595/2671/files/fokixez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tizisixurodegu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4439/7471/files/69502076566.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5901/9933/files/43593162883.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3957/2643/files/bododilatutugotekikol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0141/3785/files/large_treble_clef_staff_paper.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2186/8960/files/68092016651.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9085/3531/files/29333249595.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2068/1369/files/43521885869.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 5

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_off00004be4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4BE4 5900 bytes
SHA-256: 08674f13fca8970f19dfefcfecab6e0cb944c7f55e92edc0fbcb14c9c5975087
font_01_sfnt_off00005fe7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FE7 9908 bytes
SHA-256: 66f3a533ce0890255d519e31a8b7638cd384a317bee7090bac8373bfed0f36ab

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