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)
MD5: b4ae281bb021d280e6f93a3bd233e715 SHA-1: 450ea72d0fda44de17755d6e785f3ed4c325dc65 SHA-256: 6d4f1b1c9f54ac0dbca3f87860cfab1f7177bffae803e1c618801402f9357020
154 Risk Score

Malware Insights

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

The PDF contains numerous links, with a critical heuristic firing for a malicious redirector at 'https://ttraff.com/pify?keyword=dfm+foods+research+report'. The document body, though heavily obfuscated, contains this URL, suggesting an attempt to direct users to malicious infrastructure. The presence of many external PDF links, some benign and some unknown, further supports a link farm or redirection strategy.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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
    • http://files.petsinneedksa.org/uploads/1/3/2/6/132683088/lixinozesegozu_jagemidikuruw.pdf
    • http://wodikux.windowwarehousedraperysupply.com/uploads/1/3/1/3/131398091/5fa3e1fe2.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0463/0354/3453/files/form_meaning_and_examples.pdf
    • https://cdn.shopify.com/s/files/1/0432/0319/9136/files/dukanugu.pdf
    • https://cdn.shopify.com/s/files/1/0432/9350/7739/files/grand_opening_flyer_template_microsoft_word_free.pdf
    • https://cdn.shopify.com/s/files/1/0432/9763/6512/files/college_algebra_and_trigonometry_7th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0432/9432/6949/files/ruvewunatox.pdf
    • https://cdn.shopify.com/s/files/1/0433/8178/4734/files/sintomas_de_retinopatia_diabetica.pdf
    • https://cdn.shopify.com/s/files/1/0437/2371/8805/files/40928267203.pdf
    • https://cdn.shopify.com/s/files/1/0427/8488/2844/files/82948872588.pdf
    • https://cdn.shopify.com/s/files/1/0431/9150/0961/files/2025179241.pdf
    • https://cdn.shopify.com/s/files/1/0438/8736/2216/files/65332323781.pdf
    • https://cdn.shopify.com/s/files/1/0429/0274/9347/files/bbg_3._0.pdf
    • https://cdn.shopify.com/s/files/1/0437/4586/9985/files/cisa_certification_books.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/muzoguganava.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000065bc.bin
b25b7c78a1774937513fcf523c6580a65e9bffcb5cbb55d0b62460ff8ca62ba0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65BC 5360 bytes
font_01_sfnt_off000077de.bin
b3499e4f6009e9bcbf7fab639f2b43e279e96a495f7f501fa0ff54db2c5766e4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77DE 10916 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.