Malicious PDF — malware analysis report

Static analysis result for SHA-256 d79e67184a113d12…

MALICIOUS

PDF

112.6 KB Created: 2020-08-08 15:21:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 26c10684c1b9ccf239fe09d154326c6a SHA-1: 411603cdb72fd63b25ca2ebfcb60b8541792712d SHA-256: d79e67184a113d12b02806b695850c75cb76d9bbe4e2826c6bbf530171ac926f
194 Risk Score

Malware Insights

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

The PDF contains a lure for an advance-fee scam, disguised as an encyclopedia entry. It embeds a link that redirects to a malicious URL, likely to download further malware or phish for credentials. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the redirection to ttraff.cc, and PDF_SEO_LINK_FARM indicates a large number of outbound links, typical of SEO poisoning or link farm abuse.

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=britannica+concise+encyclopedia+pdf In PDF document text
    • http://votedovur.preciousmomentsbabeez.com/uploads/1/3/1/6/131636664/45d798ec8a4.pdfIn PDF document text
    • http://files.libbiessimplejoys.com/uploads/1/3/0/8/130873987/susufariripiv.pdfIn PDF document text
    • http://files.bjbeautifulthings.com/uploads/1/3/2/6/132696483/nowasopadat-vilepe-dosudufu-jetam.pdfIn PDF document text
    • http://files.southsidemetalworks.com/uploads/1/3/1/3/131379312/fuwufiwofubexi.pdfIn PDF document text
    • http://lavad.craigjafferesearch.com/uploads/1/3/1/4/131453850/kivelasokurevit-vojolikutew-fulozile-kukosulufizex.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/1/0432/2502/2621/files/62107584691.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3390/1726/files/66582058424.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99913566500.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0921/1549/files/24006523902.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/japoxotoruzub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0876/1764/files/apache_web_server_tutorial_point.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7098/8196/files/82879545850.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zafitizeruzu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8520/1561/files/wematidezenibozoganogi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1438/8892/files/sajivagewenesuzozikubom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9018/2297/files/gibepunovibuxos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6014/9910/files/galemaz.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000162ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x162FF 5300 bytes
SHA-256: eb6490b41aed215eaf3f7ae42adb8343e4c8cbc1f3bd2f452c761ef8ecc4bb77
font_01_sfnt_off00017520.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17520 13400 bytes
SHA-256: 4241c1a0a48b2e8257a29431a4d124f4b9aeb4b50367eac01b0fdce5c8623326
font_02_sfnt_off00019ee1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19EE1 16232 bytes
SHA-256: cb0239a5e77cb37740da0b4997a5f47117ed526887f952b298c44ef8b2f17e18