Malicious PDF — malware analysis report

Static analysis result for SHA-256 7abf4027dd6e7a08…

MALICIOUS

PDF

41.0 KB Created: 2020-08-22 08:22:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 553d0750afa796462c50f238693a2076 SHA-1: 3be38ec1e67f81f772901042cb383dec3562c8b8 SHA-256: 7abf4027dd6e7a083993cc2fe2a6ea4c36bc46de08b09a0dca1d21cf15e6239f
202 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a mass of external links, many pointing to a redirector service, indicating a link farm or phishing attempt. The primary redirector URL, 'https://ttraff.cc/pify?keyword=answer+thank+you+card', is identified as malicious. The document body's deceptive title and the presence of numerous PDF links suggest an attempt to drive traffic to malicious or scam websites, likely for credential harvesting or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=answer+thank+you+card In PDF document text
    • http://files.ijss-sn.com/uploads/1/3/2/6/132695668/xusawipubej.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/1/0429/3020/8924/files/wesakukobisi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9702/1854/files/fagadonofaverolex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5181/7879/files/cheapest_android_phones_2019.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3698/2944/files/53177779951.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6132/1634/files/61475886511.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2479/3245/files/73940823861.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0393/5911/files/daketupatodote.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3601/6802/files/62146544584.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1026/8064/files/93834033980.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7179/9449/files/sap_fico_accounts_payable_interview_questions_and_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4794/3330/files/blossoms_of_the_savannah_summary_download.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 3

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_off00006314.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6314 5240 bytes
SHA-256: 4c6d133269e794dcd79ac19b1d082c51773e47d9f3adf8ad3ec5c8ae56b52bac
font_01_sfnt_off000074e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74E9 10208 bytes
SHA-256: 58d7e8cb36b30307591191316d751f86f2b689ffd5620ed3bdaa11ed74dd5e44

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