Malicious PDF — malware analysis report

Static analysis result for SHA-256 bed13171f394ed96…

MALICIOUS

PDF

45.4 KB Created: 2020-08-14 20:00:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a7dda789386a635197ca9c94f531b2f5 SHA-1: 26f2966b9d41f33225bfa195516b4bc42fce4518 SHA-256: bed13171f394ed969c58c3b37e4d77176a7dfa2d1081e6793b4dd5b43dab825f
242 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to ttraff.com. Additionally, it exhibits characteristics of a link farm, with numerous embedded URLs hosted on Shopify, likely for SEO manipulation to attract users. The document body, though heavily obfuscated, contains the malicious URL and a call-to-action phrase, suggesting a lure to download potentially unwanted or malicious software.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 7

  • 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.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=vidmate+latest+version+app++2018 In PDF document text
    • http://bikanul.nakedroots1.com/uploads/1/3/2/6/132682646/225831.pdfIn PDF document text
    • http://files.jeffcolibraries.org/uploads/1/3/1/3/131381612/e283339.pdfIn PDF document text
    • http://files.westofirelandwomensminimarathon.com/uploads/1/3/1/4/131406947/nojajejoraxev-xetamug-vivonorinaxuxaj.pdfIn PDF document text
    • http://files.computational-psychiatry.com/uploads/1/3/1/0/131070230/3556420.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/1/0432/9318/0070/files/fixufalebuwegexegudurugug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5063/0296/files/kepumevuzila.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2826/6654/files/bulozigigazipekulaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2672/7580/files/jewowagulotu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/90067119925.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9032/2342/files/98732454291.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0325/6737/files/estudio_descriptivo_caracteristicas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6163/1384/files/on_his_blindness_poem_summary.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4141/4552/files/81432918635.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5091/8310/files/imparfait_ou_passe_compose_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4184/1571/files/brilliant_green_bile_broth.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8343/2096/files/fopopawodepazujug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6243/5739/files/91696244405.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4337/2699/files/trivium_ember_to_inferno.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9642/5119/files/5018434882.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006673.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6673 2952 bytes
SHA-256: d8b907802410e675ceca2784509e58a9dae2947c1b2ad43e3e0c02687eabed47
font_01_sfnt_off00007101.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7101 5652 bytes
SHA-256: ab4fa7a24d75ef7e0ee2dcf7bd09dab99384cc39ac46d9df1a1c18bbc6b3ebaf
font_02_sfnt_off00008428.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8428 10516 bytes
SHA-256: e519de9197b27c813e99d84404763afb5023eb92f0b71b41cef5bd6b80d58967

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