Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd2a084ebfe72ebf…

MALICIOUS

PDF

54.4 KB Created: 2020-08-04 02:49:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 90b24906729dcf4d83a185fc322d3fdd SHA-1: 63ed344376b75a56df854db795b7769ef34b129d SHA-256: cd2a084ebfe72ebff377f208d1f2a97ca89c60c2b46332b30d278d2f2e13e744
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains multiple embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'coordinate system transformation pdf' and the malicious URL. The presence of numerous external links suggests a link farm or SEO poisoning attempt to drive traffic to malicious sites. No scripts were extracted from this sample.

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=coordinate+system+transformation+pdf
    • http://files.amandalevdesign.com/uploads/1/3/1/4/131406800/6472091.pdf
    • http://files.tsfabricator.com/uploads/1/3/1/4/131482952/00b3004f.pdf
    • http://files.lacrl.org/uploads/1/3/2/6/132681501/mimeravijotexe-voxiwajowunu-kutagamik.pdf
    • http://files.sleepyeyechamber.com/uploads/1/3/0/7/130775633/busarobose-xepiwasu-gipoli-kojadaxodemo.pdf
    • https://cdn.shopify.com/s/files/1/0428/5667/7543/files/fobubibozorijujiriwide.pdf
    • https://cdn.shopify.com/s/files/1/0431/8196/5461/files/70428808445.pdf
    • https://cdn.shopify.com/s/files/1/0427/7973/8278/files/fujetugajudasebojilalod.pdf
    • https://cdn.shopify.com/s/files/1/0429/6579/4965/files/rogesiribuwaxumupu.pdf
    • https://cdn.shopify.com/s/files/1/0431/7836/0987/files/sezipovomekaxesizuvofaze.pdf
    • https://cdn.shopify.com/s/files/1/0430/0885/2117/files/33461014206.pdf
    • https://cdn.shopify.com/s/files/1/0432/0670/5312/files/jizizadofaritugi.pdf
    • https://cdn.shopify.com/s/files/1/0430/8716/7649/files/pemel.pdf
    • https://cdn.shopify.com/s/files/1/0431/9048/5150/files/cell_phone_history.pdf
    • https://cdn.shopify.com/s/files/1/0438/3100/1238/files/86577303634.pdf
    • https://cdn.shopify.com/s/files/1/0433/9076/3175/files/37115401721.pdf
    • https://cdn.shopify.com/s/files/1/0433/3781/0075/files/lotovigukevolu.pdf
    • https://cdn.shopify.com/s/files/1/0440/7531/9448/files/55096158033.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_off000075e8.bin
197a439331738449cc8540f96f8b7648e1e8c5dccfdade09c2074a20e4a3a39f
pdf-font-stream PDF embedded font (sfnt) at offset 0x75E8 5160 bytes
font_01_sfnt_off00008765.bin
2f46a0dc1d662bb7e55ae532c87005659fe4391fa17939915673754488856ed2
pdf-font-stream PDF embedded font (sfnt) at offset 0x8765 15432 bytes
font_02_sfnt_off0000b751.bin
bc1c1644e30597ae0beaac312b9749a82b64e26c109397326cdc67fdbaf2fe17
pdf-font-stream PDF embedded font (sfnt) at offset 0xB751 16036 bytes