Malicious PDF — malware analysis report

Static analysis result for SHA-256 754b40143d84c2ea…

MALICIOUS

PDF

44.8 KB Created: 2020-08-14 02:32:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ec8bf34ff79e7bec40e15f2fa77ff47f SHA-1: 4785185c78a54d33267aa231a1a5a3561b68413c SHA-256: 754b40143d84c2eacc7e7e7a77110ebe811d93ebe0686f5cd1e198c113c50f7f
194 Risk Score

Malware Insights

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

This PDF file contains numerous links to a redirector service, which in turn points to various PDF files hosted on Shopify. The primary redirector URL is https://ttraff.com/pify?keyword=organic+bamboo+sheets+australia, suggesting a phishing or scam lure related to product sales. The ML classifier strongly indicated maliciousness, and the presence of a link farm points to SEO manipulation for malicious purposes.

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=organic+bamboo+sheets+australia In PDF document text
    • http://files.barnontheweb.com/uploads/1/3/2/3/132303209/c6c900fbf902c31.pdfIn PDF document text
    • http://files.celtick9.ca/uploads/1/3/1/4/131452733/3984274.pdfIn PDF document text
    • http://files.koboxingusa.com/uploads/1/3/1/4/131406817/zibaxi-kavakep-piwar.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/1/0429/4737/9356/files/77923328519.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4523/1509/files/73659971458.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9178/7937/files/rewemugemiwegifel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4971/1781/files/representation_theory_in_literature.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8283/2280/files/86098402631.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8852/7013/files/neumonia_unam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4479/7600/files/22357510609.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6753/0655/files/kemixurixipifipojozosam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9228/6363/files/tabafojevelozit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7391/2488/files/nowomixozofazi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6809/6661/files/44801906245.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1917/2000/files/guide_de_conversation_franais_allemand.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/14192803693.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_off000068fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68FD 5380 bytes
SHA-256: 7ea143ce0fe045b14d15d46bb8b8bb96f610a09db908a432a74bd9e99dc72eba
font_01_sfnt_off00007b11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B11 13752 bytes
SHA-256: d110112761ccf3dc1a85c640b3b075baca12675fe7209b5f4de1d2117b53dcc2

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