Malicious PDF — malware analysis report

Static analysis result for SHA-256 660fa06df09153fa…

MALICIOUS

PDF

36.6 KB Created: 2020-08-01 15:35:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9e84160c28ab8bc81a3fa2deffc841c5 SHA-1: 01cca3fd6e0180a9ca774b50f25b8dd646b8cbd4 SHA-256: 660fa06df09153faffb5bccd9c73e1ffbd77520fa8815e4e7fd898ac5aa60bd1
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains embedded links that redirect to malicious infrastructure, specifically a redirector at 'ttraff.com'. This is indicative of a phishing or scam attempt, likely using SEO tactics to lure victims. The presence of numerous links to external PDFs suggests a link farm designed to attract traffic. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest an attempt to lead the user to a malicious site.

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.com/pify?keyword=the+summer+i+turned+pretty+pdf+download In PDF document text
    • http://files.keyboardmelodiesforseniors.com/uploads/1/3/2/6/132681495/7125080.pdfIn PDF document text
    • http://files.marshaclarkart.com/uploads/1/3/1/4/131438759/550351a7.pdfIn PDF document text
    • http://files.normansignsanddesigns.com/uploads/1/3/0/7/130740323/jitidutixedax.pdfIn PDF document text
    • http://files.iwonatokcwilde.com/uploads/1/3/0/8/130874015/duxalagelogagorid.pdfIn PDF document text
    • http://files.chrismurraywheelworks.com/uploads/1/3/1/8/131871622/demapakusido.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3175/6957/files/94010742507.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6621/3031/files/7598363672.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5100/7638/files/72490720310.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9947/0486/files/gapigegixotojajig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8266/8437/files/87378343670.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8221/1733/files/bozulejatasa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3359/8880/files/59536788932.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9040/1687/files/11900684280.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2216/3876/files/lalow.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_off00004542.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4542 5308 bytes
SHA-256: 9641a31567a67315db778ae086c3b7ddb95388a85d40bd21986d87b0999d902d
font_01_sfnt_off00005738.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5738 9432 bytes
SHA-256: 5e88ba4ad013b4e08fbb24c509a7759ac9eaa03a967abd7d326618bdbf73a9cd
font_02_sfnt_off00007754.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7754 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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