Malicious PDF — malware analysis report

Static analysis result for SHA-256 1eecbfe592b34547…

MALICIOUS

PDF

38.7 KB Created: 2020-08-19 23:19:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d694975c6d48c5760ef4175d7db29730 SHA-1: f2c3917334e917be2e99d7f784f5555c7f37e10b SHA-256: 1eecbfe592b34547c86697068169cdff75793c7e9b0ddc863677ba759f81efac
152 Risk Score

Malware Insights

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

The PDF contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body and embedded URLs suggest a lure related to 'Boboiboy the movie 2 mkv' to entice users to click the malicious link. The PDF_SEO_LINK_FARM heuristic further indicates a large number of outbound links, many hosted on Shopify, likely for SEO manipulation or to obscure the malicious destination.

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.cc/pify?keyword=boboiboy+the+movie+2+mkv
    • http://lokela.creativesparks.net/uploads/1/3/1/1/131164250/mexudopat-zugixegux-jifibos-kutune.pdf
    • http://bigojuzov.emergenzeats.com/uploads/1/3/1/6/131606612/7996587.pdf
    • http://namijoj.srnelson.com/uploads/1/3/0/8/130874493/vununuselolaju_timuwimavasa_kovojofo_tapasiselovani.pdf
    • http://files.glowwellnesscollective.org/uploads/1/3/2/6/132681409/6267296.pdf
    • http://bebetodo.benoitfarmsandlivestock.com/uploads/1/3/1/4/131407995/2845761.pdf
    • https://cdn.shopify.com/s/files/1/0430/3051/1779/files/wuxaxoto.pdf
    • https://cdn.shopify.com/s/files/1/0438/2906/7933/files/57959926862.pdf
    • https://cdn.shopify.com/s/files/1/0430/9182/0711/files/18745238451.pdf
    • https://cdn.shopify.com/s/files/1/0428/1214/5823/files/cancer_de_piel_sintomas.pdf
    • https://cdn.shopify.com/s/files/1/0443/6181/0076/files/wufigofivipaloviti.pdf
    • https://cdn.shopify.com/s/files/1/0431/1715/0368/files/laxusowarupegegov.pdf
    • https://cdn.shopify.com/s/files/1/0429/6730/2295/files/vufakiwonegadanexifuru.pdf
    • https://cdn.shopify.com/s/files/1/0432/8338/2427/files/jepeda.pdf
    • https://cdn.shopify.com/s/files/1/0433/7768/8743/files/85651154505.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sejil.pdf
    • https://cdn.shopify.com/s/files/1/0430/4509/3533/files/futenavurokekuxubajire.pdf
    • https://cdn.shopify.com/s/files/1/0431/6325/4944/files/76491615086.pdf
    • https://cdn.shopify.com/s/files/1/0431/8691/3437/files/89284496677.pdf
    • https://cdn.shopify.com/s/files/1/0433/5153/9861/files/nirujozitawebikokijufix.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/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005aa6.bin
ed4de5ca74440a72d588b984ccd36c3050e83e3f9c26ae6ab7f8cea286c45e1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AA6 4956 bytes
font_01_sfnt_off00006b79.bin
a4e3eba0bd076fab4994e5cec60cf0749d83cbd43faf4cb7664df7b02e663fbb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B79 10032 bytes

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