Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d4f1b1c9f54ac0d…

MALICIOUS

PDF

42.4 KB Created: 2020-08-23 17:52:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b4ae281bb021d280e6f93a3bd233e715 SHA-1: 450ea72d0fda44de17755d6e785f3ed4c325dc65 SHA-256: 6d4f1b1c9f54ac0dbca3f87860cfab1f7177bffae803e1c618801402f9357020
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, including one pointing to a known malicious redirector (ttraff.com). The document body, though heavily obfuscated, contains text that appears to be a lure for a 'Dfm foods research report'. The presence of numerous PDF links suggests an attempt to generate traffic or distribute further malicious content.

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=dfm+foods+research+report In PDF document text
    • http://files.petsinneedksa.org/uploads/1/3/2/6/132683088/lixinozesegozu_jagemidikuruw.pdfIn PDF document text
    • http://wodikux.windowwarehousedraperysupply.com/uploads/1/3/1/3/131398091/5fa3e1fe2.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/1/0463/0354/3453/files/form_meaning_and_examples.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0319/9136/files/dukanugu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9350/7739/files/grand_opening_flyer_template_microsoft_word_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9763/6512/files/college_algebra_and_trigonometry_7th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9432/6949/files/ruvewunatox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8178/4734/files/sintomas_de_retinopatia_diabetica.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2371/8805/files/40928267203.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8488/2844/files/82948872588.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9150/0961/files/2025179241.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8736/2216/files/65332323781.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0274/9347/files/bbg_3._0.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4586/9985/files/cisa_certification_books.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/muzoguganava.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 3

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_off000065bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65BC 5360 bytes
SHA-256: b25b7c78a1774937513fcf523c6580a65e9bffcb5cbb55d0b62460ff8ca62ba0
font_01_sfnt_off000077de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77DE 10916 bytes
SHA-256: b3499e4f6009e9bcbf7fab639f2b43e279e96a495f7f501fa0ff54db2c5766e4

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