Malicious PDF — malware analysis report

Static analysis result for SHA-256 00a364c1130e6377…

MALICIOUS

PDF

39.4 KB Created: 2020-08-11 06:39:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9fd7b21b15d5fccabce6ddb57a417a46 SHA-1: caf14508f246446b43dcc2e44926e9df2316fed5 SHA-256: 00a364c1130e63771ce96a420bb20043c539b11d11fa2f55508ecb02bd861343
234 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains multiple heuristics indicating malicious redirection and a lure for remote support tools. It embeds a link that redirects to a known malicious domain, disguised with keywords related to civil engineering plans. The document body, though heavily obfuscated, contains the malicious URL, suggesting an attempt to trick users into downloading further content or engaging with a malicious service. The presence of numerous external PDF links also points to a link farm strategy.

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.
  • Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
    Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
  • 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=civil+engineering+plans+drawings+pdf In PDF document text
    • http://tokem.sprucemeadowschristmastrees.com/uploads/1/3/0/8/130814124/jonuvevunelad-bisojo-talem-nawenizorerana.pdfIn PDF document text
    • http://botusubu.artistsfusion.com/uploads/1/3/1/4/131454526/rolidelazabasubi.pdfIn PDF document text
    • http://files.thorntonmetals.com/uploads/1/3/1/8/131856039/muwodutaxetal-kutepujovo-xepedagonavu-lenawefozujus.pdfIn PDF document text
    • http://files.meditationgiftshop.com/uploads/1/3/1/8/131871871/tonabajilevipo.pdfIn PDF document text
    • http://files.emergingfield.org/uploads/1/3/0/7/130775053/05bd5ecfe1869c.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/1/0437/3364/7525/files/30315586003.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5410/3713/files/solid_principles_c.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sebifoxof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6581/8789/files/speedrunning_gold_split.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8212/8291/files/72816216456.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6693/1862/files/jojemutojilitit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9540/0356/files/mapix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6108/3301/files/47587305628.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3998/0711/files/23562011194.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7929/5383/files/2083750001.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2598/7734/files/posedupuwipegoraguvuzi.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_off00005c7d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C7D 5264 bytes
SHA-256: dda1262f6a0fcbc56e041a3a7ad06f44b8e7d0aabe69cc5213a1c0c0fb18e039
font_01_sfnt_off00006e87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E87 10020 bytes
SHA-256: d1c4b90c195c78ed837b1a9a40e618c2c9c875fc3021124b98187c18a2068e5f