Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a0a698b600c7caa…

MALICIOUS

PDF

35.4 KB Created: 2020-08-24 06:26:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5cbab6994bc96e9eb9fe6f7d976f4f16 SHA-1: 742df492c74390a21d522e2d0d01c8857ef7d8e5 SHA-256: 9a0a698b600c7caa175b8c7b0d2a69810ece85c9404bf0c301922953d12ae937
194 Risk Score

Malware Insights

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

The PDF document contains a mass of external links, including a critical redirector link to 'ttraff.com'. The document body, though heavily obfuscated, contains the same lure text and URLs found in the heuristics. The primary purpose appears to be directing users to malicious infrastructure under the guise of providing templates.

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=polo+shirt+template+white In PDF document text
    • http://files.isleofhopesteam.com/uploads/1/3/0/8/130873804/likevefoxu-fisovul-sexotuxif-mexuzokowenipoj.pdfIn PDF document text
    • http://vudanoti.eaadventures.com/uploads/1/3/1/4/131437252/9596308.pdfIn PDF document text
    • http://files.mcdonnellhomepreschool.com/uploads/1/3/1/4/131454065/tamanufovo-barada-ziraxazufubiz.pdfIn PDF document text
    • http://files.sustainableartschool.org/uploads/1/3/1/0/131070485/2332046.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/1/0430/6577/0133/files/39096399449.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1814/1341/files/73769658888.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5279/2982/files/cbse_class_10_english_literature_reader_book_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6300/0736/files/dusikefoposodok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4133/9030/files/fallout_4_weapon_codes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6596/6754/files/sipewanefebunimisefu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6881/6544/files/new_employee_introduction_email_to_team_template.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1264/3223/files/14000283182.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1537/2953/files/89862797825.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9679/3503/files/24864429715.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0441/9478/files/ayushman_bharat_yojana_card_list_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0460/1357/9423/files/jamelo.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_off00004c3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C3C 5152 bytes
SHA-256: 61c69e0f3d2d9e4f6e2a84c55f9d2042958a79ce368b690f124e62479aacbf21
font_01_sfnt_off00005dab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DAB 10308 bytes
SHA-256: 5b4140fe882daf5d2f7ef9b5bc66c935404922e6b49cfe05fbe293c4cec83227

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