Malicious PDF — malware analysis report

Static analysis result for SHA-256 29793628c1f8342f…

MALICIOUS

PDF

37.4 KB Created: 2020-08-29 04:06:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0294f34ccfffb07b5958dc79ee6c5730 SHA-1: 3901858e7a7ca9ab66963ab5981bd3623ec47fce SHA-256: 29793628c1f8342f2d05f25eb747c8de69c43a9307c53486d6bccd8d6f908923
150 Risk Score

Malware Insights

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

The PDF contains a prominent link that redirects to a malicious domain, disguised with a lure for a popular movie. This indicates a phishing or social engineering attack aimed at directing users to harmful content. The ML classifier strongly supports the malicious nature of this PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • 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/wix?keyword=the+conjuring+2+full+movie+free+download
    • https://cdn.shopify.com/s/files/1/0428/5153/2963/files/bse_odisha_8th_class_math_book_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/6871/0300/files/tidutako.pdf
    • https://cdn.shopify.com/s/files/1/0433/7657/4620/files/joindre_deux_fichiers_ensemble.pdf
    • https://static.usrfiles.com/ugd/b8c837_76517ad3aae0491997d8781ec65862e6.pdf
    • https://static.usrfiles.com/ugd/b8c837_63247470740942c4ba67028261931cfb.pdf
    • https://static.usrfiles.com/ugd/b8c837_2e11ff3e91fc41cd85f632d0b3ccf2ae.pdf
    • https://static.usrfiles.com/ugd/b8c837_3d9449bcc04a4a73972dae8474ec9713.pdf
    • https://static.usrfiles.com/ugd/b8c837_44ee9e6a51354724945d84025c0f908b.pdf
    • https://static.usrfiles.com/ugd/b8c837_8afe13fc864541279414b3f8f116622f.pdf
    • https://static.usrfiles.com/ugd/b8c837_192bbc2f48da4d24851bfaf75603d4bf.pdf
    • https://static.usrfiles.com/ugd/b8c837_1a9b832ce99c473fb8a95568f8a7f68f.pdf
    • https://static.usrfiles.com/ugd/b8c837_3550015dc2e24113b0ed133b7fdf5ab6.pdf
    • https://cdn.shopify.com/s/files/1/0436/8538/0246/files/loripuvavifilulizometu.pdf
    • https://cdn.shopify.com/s/files/1/0430/3156/0354/files/ruxejamotisawebejujefi.pdf
    • https://cdn.shopify.com/s/files/1/0432/5860/9817/files/starting_strength_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/6938/2568/files/5953025324.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_off00005347.bin
f90f9a9d60818da9a276714a995be052c41f1261f3c3bd7e9c266acaf8255d1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5347 5564 bytes
font_01_sfnt_off00006620.bin
72151dadcd190c13726298a2d13bc1744e4de951bdb4fa52aa56e6d771fa3b9b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6620 10044 bytes

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