Malicious PDF — malware analysis report

Static analysis result for SHA-256 f003cc3bb8fc0210…

MALICIOUS

PDF

53.6 KB Created: 2020-08-06 01:33:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bb3760f9c4180c57906176ca6dea4675 SHA-1: 08daab6b2784beb8ebe6eb17d9705ca610ae0d9a SHA-256: f003cc3bb8fc0210c9f4b113d2d4b3faf4a0cfc0c5bf92701ae443f3a412e312
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL identified is ttraff.ru, which is used in conjunction with a lure related to 'wastewater management introduction pdf'. The document body, though heavily obfuscated, contains this same URL, confirming its malicious intent. The presence of many links to Shopify domains suggests an attempt to blend in with legitimate content while directing users to malicious infrastructure.

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.ru/pify?keyword=wastewater+management+introduction+pdf In PDF document text
    • http://files.plumbcogroup.com/uploads/1/3/2/6/132681812/rolikesupog-sepasufedabuna.pdfIn PDF document text
    • http://files.erp-selection.org/uploads/1/3/2/3/132302780/momigogogimujosise.pdfIn PDF document text
    • http://files.riveredgeschoolsreach.com/uploads/1/3/0/7/130776015/1486557.pdfIn PDF document text
    • http://files.hallelujah-lighting.com/uploads/1/3/0/9/130969160/gefepolejenimel.pdfIn PDF document text
    • http://files.thesockmafia.com/uploads/1/3/1/3/131383621/57bd41a51628.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/1/0435/3386/1018/files/math_machine_learning.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8047/2984/files/38805311403.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1942/6198/files/pejanodelusetodajep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3531/1775/files/jewifisom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2530/9601/files/8553934383.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6281/9990/files/37257465750.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8706/0375/files/raxebirunowat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gubiwunezekubukezo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0654/9406/files/51030202678.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0058/6649/files/josegegunasurawefetara.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0580/4698/files/jalipolipifefesatuxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0106/7166/files/rewodukusafupi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7789/4293/files/dizositiw.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000921f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x921F 5548 bytes
SHA-256: 2dc118ab5485f2045850ff5b11a56d1504d9ca438273928c2b65eefba76f694c
font_01_sfnt_off0000a505.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA505 10648 bytes
SHA-256: d4e81b98279ba67421fe14f901d7482200e7f296e668270c8a8ab9917815c3dc