Malicious PDF — malware analysis report

Static analysis result for SHA-256 fba993b2700733de…

MALICIOUS

PDF

51.2 KB Created: 2020-08-20 10:43:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 54e0e150b9175c6f7b0eefae25ea11fe SHA-1: 6b1327495acb19847aed4dff89c6e8edf5eba886 SHA-256: fba993b2700733de0097a2d314d4027cef2e58a963f2522efbfd06baf18ff135
194 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=authorised+dealership+format'. This URL is presented within the document body, suggesting a social engineering lure. The file also contains a large number of external links, many hosted on Shopify, which is flagged as a PDF link farm. The document's content, though heavily obfuscated, includes the phrase 'Authorised dealership format' and the malicious URL, indicating an attempt to trick the user into clicking the link.

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=authorised+dealership+format In PDF document text
    • http://files.dianeaoki.com/uploads/1/3/2/3/132302978/693ac.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/1/0435/5896/1315/files/xufoxazateka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1987/7024/files/70252681502.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1818/2041/files/download_converter_to_word_filehippo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1411/1903/files/nilumopimamasupa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2168/1315/files/asp_net_interview_questions_and_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6581/8789/files/gatovedafosuwifijozunuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6555/7671/files/bumidote.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5536/6822/files/achilles_story.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0804/0853/files/78680492015.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0097/8853/files/45539642960.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8165/3655/files/castrol_power_1_racing_4t_10w50.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7618/2426/files/95358287195.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/7675/1261/files/lakshmi_narasimha_kavacham_in_telugu.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 2

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_off00008b98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B98 5268 bytes
SHA-256: 3f0bb84778d2811cdb2fc2501396146428bb0979e461de2e4996e730581c6bb9
font_01_sfnt_off00009d5d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9D5D 10016 bytes
SHA-256: 32528ffa9d1e56ec692657e4a57b91efa2044fb47f53113377a57e3c609c08c2

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