Malicious PDF — malware analysis report

Static analysis result for SHA-256 86d6640f043044ce…

MALICIOUS

PDF

47.5 KB Created: 2020-09-03 17:21:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 028ba2f854766bb8ed210e3d25fc7f72 SHA-1: fcb5c4ae2d1bf149ab4e34e342c497837f2aceb6 SHA-256: 86d6640f043044ce514b4c60e59aca1188b4ef501fe3e6d9ae79900872171537
150 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with one prominent link leading to a redirector. The document body, though heavily obfuscated, contains text related to 'chakram telugu hd movie' and the malicious URL, suggesting a lure for users seeking entertainment. The PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the malicious nature of the primary URL.

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.ru/pify?keyword=chakram+telugu+hd+movie
    • https://cdn.shopify.com/s/files/1/0435/3789/1480/files/nuluxeso.pdf
    • https://cdn.shopify.com/s/files/1/0439/3975/8235/files/nadifigemapabov.pdf
    • https://cdn.shopify.com/s/files/1/0432/8734/7364/files/the_prayer_of_jacob.pdf
    • https://cdn.shopify.com/s/files/1/0433/2388/3688/files/57925816362.pdf
    • https://static.usrfiles.com/ugd/afe78f_bc2b3e4f36144574a5818df13de12fee.pdf
    • https://static.usrfiles.com/ugd/c2bf0a_bf09dd5d8c6947e4a1bd50caf2bd02d8.pdf
    • https://static.usrfiles.com/ugd/ed2d23_db5f04de5c654d06b1ed04bfbef5b31c.pdf
    • https://static.usrfiles.com/ugd/b8c837_d5c930cd192341068dc5cb433cd6616b.pdf
    • https://static.usrfiles.com/ugd/760101_7472442c74424ea8be538317ddad1f07.pdf
    • https://cdn.shopify.com/s/files/1/0444/1695/8630/files/timibikosofusax.pdf
    • https://cdn.shopify.com/s/files/1/0430/9899/6889/files/nututak.pdf
    • https://cdn.shopify.com/s/files/1/0433/5930/5877/files/davuwe.pdf
    • https://cdn.shopify.com/s/files/1/0432/0667/2546/files/2018_honda_cr_v_reviews_consumer_reports.pdf
    • https://cdn.shopify.com/s/files/1/0432/2174/5822/files/34534547861.pdf
    • https://static.usrfiles.com/ugd/91e123_16db25941e29404198f5886a218701b4.pdf
    • https://static.usrfiles.com/ugd/ace02d_afff7441fee94573830ca96eb752ebd3.pdf
    • https://static.usrfiles.com/ugd/b8c837_1f916a37441c4147a6c9d3dcfe085ef7.pdf
    • https://static.usrfiles.com/ugd/b8c837_0cb9697d668544eeb092137be2196908.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/
    • https://cdn.shopify.com/s/files/1/0432/0667/2546/files/2018_honda_cr_v_reviews_consumer_rep

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007130.bin
748e1223d06d8ac717cd07391261dab2073868aa99be05a5f720895b2c6390de
pdf-font-stream PDF embedded font (sfnt) at offset 0x7130 3212 bytes
font_01_sfnt_off00007cb0.bin
e9ae81f77899fa113a36bf0555bdfdfff11b35bb60774972e6cd4949ddf3c087
pdf-font-stream PDF embedded font (sfnt) at offset 0x7CB0 5092 bytes
font_02_sfnt_off00008dd0.bin
bdccab3aeb382c977e589d6cc533b1a5e88dfa8eac8362c7e595b1e2ef3f675a
pdf-font-stream PDF embedded font (sfnt) at offset 0x8DD0 10008 bytes