Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ba70ce3402e3ac6…

MALICIOUS

PDF

41.3 KB Created: 2020-08-09 13:54:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 24cb1a5e91fd56ec2cd15f8199352249 SHA-1: 859d4720dec4fec0544c1d73ef1a65e0b693083b SHA-256: 9ba70ce3402e3ac663cbaacccff13f6698fb20f2cf018c3e19c37d736899e078
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The embedded links, particularly the one to 'ttraff.com', suggest an attempt to redirect users to malicious content or phishing sites. The presence of numerous links to PDFs hosted on Shopify and other domains indicates a strategy to artificially inflate search engine rankings or distribute content through a seemingly benign platform.

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=aprendizaje+significativo+definicion+pdf In PDF document text
    • http://files.urbanag.info/uploads/1/3/1/3/131397987/verero-tazijilige-zegopera-xeguwunana.pdfIn PDF document text
    • http://files.sarahwatercolorart.com/uploads/1/3/0/7/130738719/58f9a2a847688d.pdfIn PDF document text
    • http://joloxuze.southkeyscentrum.com/uploads/1/3/1/4/131407535/zutowuwuvilo_buganukejobeze.pdfIn PDF document text
    • http://bigegumi.thegoldshopofmartinez.com/uploads/1/3/0/9/130969060/redimejuvelugadideka.pdfIn PDF document text
    • http://files.xoespressobar.com/uploads/1/3/1/6/131607600/pimelamekin.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/1/0433/3522/1403/files/behemoth_gate_ark.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8634/7414/files/grammar_test.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/7400/0798/files/25018110293.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4101/3412/files/zegesinak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6697/2577/files/69088018644.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/razikeruranofe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8044/0215/files/psp_cso_games.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2205/6600/files/calendario_laboral_2020_murcia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8589/7627/files/xerezolisesu.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 5

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006042.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6042 5464 bytes
SHA-256: 5ee899e7108596421a2edb9c0fd3d6f17cb5dc5d1611ac7f7d620575da55b774
font_01_sfnt_off00007308.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7308 11016 bytes
SHA-256: eed78f7feed52b52f5cc5f7c14eb1315108f79751245ac00b888dbc1e95a767b

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