Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b12f03edb492551…

MALICIOUS

PDF

80.8 KB Created: 2020-03-30 15:48:49 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7c27d764385591a8bea091b1bbf3bba3 SHA-1: dc723225716302b45263ade6e594133993d3923e SHA-256: 2b12f03edb492551da8f8227735a554aa1315f6148295f31a43173473b899838
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a significant number of external links, identified as a PDF_SEO_LINK_FARM heuristic. The embedded document body text, though partially corrupted, contains a URL that is also listed among the extracted URLs. This suggests the document's primary purpose is to redirect users to a network of other websites, likely for malicious SEO or to distribute further payloads.

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://melbournehotelplaceholder.devsite-1.com/uploads/1/3/1/3/131378915/131378915.html#utilidad+de+las+siglas+y+abreviaturas+en+los+formularios
    • http://theseconddeadlysin.com/uploads/1/3/1/4/131406927/poxeju-xomorub.pdf
    • http://through-the-eyes-of-another.com/uploads/1/3/0/6/130621406/6137909.pdf
    • http://pick5swamiracing.com/uploads/1/3/0/6/130605176/xexis-negijipadaka-mawemoroj-sebus.pdf
    • http://libby-hearn.com/uploads/1/3/0/7/130739076/7641028.pdf
    • http://rely-a-scope.com/uploads/1/3/0/5/130543569/vikonamoke_sijazipewaf_zonokepenu_bidive.pdf
    • http://dosnorte.com/uploads/1/3/0/3/130323967/6da1cd4a466.pdf
    • http://almujahid.org/uploads/1/3/1/4/131438397/94fa604.pdf
    • http://ttmr8.org/uploads/1/3/1/3/131383404/fimikazukapedex.pdf
    • http://anniegravesrealty.com/uploads/1/3/0/6/130621076/7917400.pdf
    • http://alexanderandsally.com/uploads/1/3/1/1/131164471/5097698.pdf
    • http://www.pursuitchambersburg.com/uploads/1/3/0/2/130287547/0ec21d4e8ea3e7f.pdf
    • http://facetofacepolebat.com/uploads/1/3/0/8/130814216/1844141.pdf
    • http://ashsgreatbooks.com/uploads/1/3/0/5/130550888/ee69a88ca8932a3.pdf
    • http://simonesagency.com/uploads/1/3/0/2/130271057/eb69b80d885.pdf
    • http://midwestcustomservicesofwisconsin.com/uploads/1/3/0/8/130813409/janiwalajedi-mugaxitoruvunok-soxonapire-vakotami.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_007_off00010212.bin
350aaa501e450a8908463eaf6e7cf9cb2092ce396385a9a32c11905417405571		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x10212 5500 bytes
font_00_sfnt_off0000d803.bin
dd839b9722f3e9114d63bdcd0d98bb4439b241f96955663d153e2db89b82965d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD803 12544 bytes
font_02_sfnt_off000113d2.bin
e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x113D2 2652 bytes
font_03_sfnt_off00011d3b.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11D3B 16036 bytes

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