Malicious PDF — malware analysis report

Static analysis result for SHA-256 75ddf48de10aba0a…

MALICIOUS

PDF

42.1 KB Created: 2020-08-04 22:51:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8d24898278494fed44ba538f5705b4be SHA-1: 471ab5d7b69cfe29e6380d72c467d2e6a44ca061 SHA-256: 75ddf48de10aba0a67c222eaaab56eefd4ed5dad573b44e166be1e471c4e14be
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though partially corrupted, includes text suggesting a lure related to a "Bhopal road map pdf". The heuristic firings indicate the PDF is designed as a redirector and contains a link farm, aiming to direct users to potentially harmful content. The primary IOC is the malicious redirector URL.

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=bhopal+road+map+pdf
    • http://files.tomsfordcollection.com/uploads/1/3/1/0/131070109/51aed.pdf
    • http://files.markmilewski.com/uploads/1/3/0/7/130740256/879668.pdf
    • http://files.1drop2creativeart.com/uploads/1/3/2/6/132695568/4389517.pdf
    • http://files.urbafresh.com/uploads/1/3/1/6/131606815/xisoxovazozo_tofuxetaxufa.pdf
    • https://cdn.shopify.com/s/files/1/0433/5783/1326/files/borelisax.pdf
    • https://cdn.shopify.com/s/files/1/0436/2331/7662/files/xakajojogefagolalute.pdf
    • https://cdn.shopify.com/s/files/1/0427/4556/1254/files/libekibepibawutumasero.pdf
    • https://cdn.shopify.com/s/files/1/0428/7240/6179/files/xamibavagevifagorumiba.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kumug.pdf
    • https://cdn.shopify.com/s/files/1/0436/5615/1190/files/sipaga.pdf
    • https://cdn.shopify.com/s/files/1/0433/0985/8984/files/rebomuwagapuwenudunurefim.pdf
    • https://cdn.shopify.com/s/files/1/0430/0364/2007/files/zabubamofimopizobo.pdf
    • https://cdn.shopify.com/s/files/1/0427/5997/9174/files/duzanowirefesizebivedob.pdf
    • https://cdn.shopify.com/s/files/1/0431/0761/4882/files/mosesenasoradoxigegufowi.pdf
    • https://cdn.shopify.com/s/files/1/0435/1783/7471/files/lidikigowo.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_off00005a73.bin
13f93bb6ee1de86467a843c57f6f21524c0c95f0839b157cf06ad12301529165		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A73 4588 bytes
font_01_sfnt_off000069f7.bin
fe6b839645981f5b1d12d54eee516111833fdd5552dbeba192e17d9ef3a5ab54		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69F7 10432 bytes
font_02_sfnt_off00008da0.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8DA0 4324 bytes

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