Malicious PDF — malware analysis report

Static analysis result for SHA-256 7685fc315da1a213…

MALICIOUS

PDF

54.5 KB Created: 2020-08-14 01:30:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 314bf6ea312d1f317740e8baaa8ab971 SHA-1: 9bb95611a9b6487d500da2ef54d0fa2e726a1613 SHA-256: 7685fc315da1a21377664d30da605f2c995faa5438e9feee7cef3bca6b673826
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to a redirector service (ttraff.cc) that is flagged as malicious. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector. This suggests the PDF is designed to distribute malware or facilitate phishing by 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.cc/pify?keyword=bind+service+android+tutorial In PDF document text
    • http://files.allnationscoast.net/uploads/1/3/0/7/130740530/3234118e.pdfIn PDF document text
    • http://files.pariswritersretreat.com/uploads/1/3/1/3/131382030/3524699.pdfIn PDF document text
    • http://files.coldaston.com/uploads/1/3/0/7/130740513/d440e055.pdfIn PDF document text
    • http://datomuvo.trainingspaceokemos.com/uploads/1/3/0/8/130874474/pukekozigop.pdfIn PDF document text
    • http://files.peoplespotato.com/uploads/1/3/0/7/130738998/5178389.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/1/0434/6737/4758/files/nobixozanofetinasidozifaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8097/4490/files/jekifademom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3506/5510/files/vufosinurekixulav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9861/0591/files/crossfire_hurricane_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5829/1093/files/3d_exporter_plugin_for_autodesk_fusion_360.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3027/3448/files/23830931514.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1974/7996/files/xadugakevepef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0454/7385/7686/files/yoga_poses_made_easy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9751/2354/files/vekojadumabasixoxox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tikifulodu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2804/5209/files/71136319377.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0692/6741/files/nutadavuzijijewawimel.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_off00009838.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9838 5040 bytes
SHA-256: 042ccab8dd54d0021bda6eaf6dcad9c601345e29fed1ab9cc322d7ff2e0b0819
font_01_sfnt_off0000a964.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA964 10400 bytes
SHA-256: b0955e6f9a35c13d06e8b077e028d9cc793cb37c86d42d15616caeffeba2517b