Malicious PDF — malware analysis report

Static analysis result for SHA-256 e34403a8a7ace6de…

MALICIOUS

PDF

38.6 KB Created: 2020-08-23 02:46:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 42438d3a8373aa0acb913b7ada02b555 SHA-1: 19bfe70baa482927cdfb085587af098767853ce0 SHA-256: e34403a8a7ace6de5de57abe61593b159b52946692a8b7ca4608767fa671d535
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one identified as a malicious redirector pointing to 'https://ttraff.com/pify?keyword=alfa+laval+plate+heat+exchanger+calculation'. This suggests the document is designed to lead users to malicious sites, likely for phishing or to download further malware. The presence of a link farm further supports this malicious intent.

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=alfa+laval+plate+heat+exchanger+calculation In PDF document text
    • http://files.thegoldenpegasus.com/uploads/1/3/0/7/130740589/bedebizumafojew-denifujikadepa.pdfIn PDF document text
    • http://files.2ndchancehypnotherapy.com/uploads/1/3/0/7/130739651/nokugowug-dukob.pdfIn PDF document text
    • http://rabumudo.turnbullphotographyart.com/uploads/1/3/1/6/131637240/jalezetijixes.pdfIn PDF document text
    • http://files.rachelmoretti.com/uploads/1/3/1/0/131070872/sesazigeras.pdfIn PDF document text
    • http://files.msubsm.com/uploads/1/3/0/8/130814126/802616.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/1/0434/3493/4429/files/66165293020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9423/5553/files/bofiwatoselimazateruvojo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5887/8872/files/65129558019.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3828/3678/files/bunasusiralebidosewepog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9492/4700/files/wodida.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4560/0936/files/lixoxuvewawemovemonuzojuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/41841620016.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0000/3747/files/tubasupefagin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8460/3801/files/rational_fasting_challenge_elliott_hulse.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5341/5576/files/gesadaromawexifudujobuvo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3377/9611/files/when_do_you_use_binomial_and_cdf.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_off00005a84.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A84 5216 bytes
SHA-256: e6570568898251a24d8b2e3b1eb85a79c5337af06af8936c720bb015b7c3cfb0
font_01_sfnt_off00006c47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C47 9728 bytes
SHA-256: 96f594b03046462b1043e7590e01e0a1f93e73c2bbcb59fad6b49d3beffbe8df

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