Malicious PDF — malware analysis report

Static analysis result for SHA-256 70f596565098ab11…

MALICIOUS

PDF

38.5 KB Created: 2020-08-14 06:45:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 44e7eeaf5bd0f72bedbd4eb8d46d0a14 SHA-1: 9b590238bb71207881d59bd0feb271c614f5900d SHA-256: 70f596565098ab116cba2794cb79e4a55df904616cddb825a73715a58b091fd5
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many of which point to a link farm designed to generate search engine traffic. One prominent link, 'https://ttraff.cc/pify?keyword=aiims+assertion+reason+book+pdf', is identified as a malicious redirector. The document's content and structure strongly suggest an advance-fee scam, aiming to trick users into clicking malicious links under the guise of providing a document.

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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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=aiims+assertion+reason+book+pdf
    • http://files.rosemontchoirs.com/uploads/1/3/2/7/132710753/c2bc526a927.pdf
    • http://xusag.fromthetopadventures.com/uploads/1/3/0/8/130874655/9636058.pdf
    • http://renijeg.warwickvfw.org/uploads/1/3/0/8/130874493/duvaxivotavez-jojivakisaker-fejufejivapagor.pdf
    • http://files.pycap.ca/uploads/1/3/1/8/131857152/pamodetu.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0434/6671/9385/files/johnson_9._9_outboard_motor_manual.pdf
    • https://cdn.shopify.com/s/files/1/0434/4256/9368/files/rotolivixijegi.pdf
    • https://cdn.shopify.com/s/files/1/0432/5546/4104/files/wakilugab.pdf
    • https://cdn.shopify.com/s/files/1/0435/2484/9815/files/87906244291.pdf
    • https://cdn.shopify.com/s/files/1/0432/9019/8180/files/xexebonipa.pdf
    • https://cdn.shopify.com/s/files/1/0431/6243/5745/files/puwisinage.pdf
    • https://cdn.shopify.com/s/files/1/0433/7460/8545/files/naruto_shippuden_english_dubbed_torrent.pdf
    • https://cdn.shopify.com/s/files/1/0429/8830/6586/files/affective_domain.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lurexemip.pdf
    • https://cdn.shopify.com/s/files/1/0433/4272/5275/files/ferup.pdf
    • https://cdn.shopify.com/s/files/1/0434/7245/3797/files/80816471789.pdf
    • https://cdn.shopify.com/s/files/1/0430/1163/7401/files/ford_vs_ferrari_movie_rating_parents_guide.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_off000058e9.bin
591b47e5bb5b8e93946eac8f702cabee701164316a547081e278424789371036		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58E9 5348 bytes
font_01_sfnt_off00006af5.bin
b6ab7c0b3992c5a19e876b88e3323760db6d9d3b99a3d42c9a4e0c4d492a7d58		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AF5 10080 bytes

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