Malicious PDF — malware analysis report

Static analysis result for SHA-256 d00ba4d6d1ee94f6…

MALICIOUS

PDF

49.5 KB Created: 2020-08-07 08:50:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 69f261200abc35fa2aa4a6356aec86d7 SHA-1: 70b4e9f8b1a0bbc257cbea19371b8df4dca02b62 SHA-256: d00ba4d6d1ee94f6a8b843b5e80dd877933770f9eccf01ea160249b10a906930
120 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, many of which point to external resources. The primary redirector URL, https://ttraff.com/pify?keyword=az+300+dumps+pdf+download, is flagged as malicious. The document body, though heavily obfuscated, contains references to exam dumps and the URLs themselves suggest a lure for potentially harmful content. The presence of numerous external links indicates a link farm or redirection strategy to distribute malicious payloads.

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/pify?keyword=az+300+dumps+pdf+download
    • http://files.sandybonsib.com/uploads/1/3/1/8/131871970/mikedagujab.pdf
    • http://files.lincolnfencecontractors.com/uploads/1/3/2/6/132681938/7c5f525598fb.pdf
    • http://files.carolrivers.com/uploads/1/3/2/6/132681670/b4862.pdf
    • http://files.all4pawsdogrescue.com.au/uploads/1/3/1/4/131455883/9425829.pdf
    • https://cdn.shopify.com/s/files/1/0431/8114/6280/files/lekotaxizivifomomejexov.pdf
    • https://cdn.shopify.com/s/files/1/0427/8665/2316/files/genomigenezonomubake.pdf
    • https://cdn.shopify.com/s/files/1/0433/8892/8150/files/dejarexedoma.pdf
    • https://cdn.shopify.com/s/files/1/0432/7482/9987/files/aleph_paulo_coelho.pdf
    • https://cdn.shopify.com/s/files/1/0429/1392/3228/files/kinabegaxomiwuv.pdf
    • https://cdn.shopify.com/s/files/1/0434/2356/3925/files/82109990066.pdf
    • https://cdn.shopify.com/s/files/1/0432/2181/1364/files/97613439382.pdf
    • https://cdn.shopify.com/s/files/1/0427/4031/8375/files/12870138569.pdf
    • https://cdn.shopify.com/s/files/1/0432/0660/7012/files/dowekejuwagojibapebuzikul.pdf
    • https://cdn.shopify.com/s/files/1/0434/2690/6264/files/60393774770.pdf
    • https://cdn.shopify.com/s/files/1/0437/6713/6413/files/sawosum.pdf
    • https://cdn.shopify.com/s/files/1/0429/9633/4753/files/daredevil_season_1_torrent.pdf
    • https://cdn.shopify.com/s/files/1/0435/1387/2548/files/xifupusopugixisa.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006bc6.bin
8414c42c1f5cbb777cabc126d2df698ad80175776cd2e11e46a93f1fefab9e58
pdf-font-stream PDF embedded font (sfnt) at offset 0x6BC6 5528 bytes
font_01_sfnt_off00007ea5.bin
e4b6c33d361e299d1e01d10a761260b9f59e21afc80dc3ec39109ed6f8b6a9a0
pdf-font-stream PDF embedded font (sfnt) at offset 0x7EA5 10900 bytes
font_02_sfnt_off0000a3f8.bin
f0a8b786da721c7415a59d91fbce3b20bbb98ea32e48857ac1ff22d53b00ec29
pdf-font-stream PDF embedded font (sfnt) at offset 0xA3F8 16144 bytes