Malicious PDF — malware analysis report

Static analysis result for SHA-256 d069283fa8815249…

MALICIOUS

PDF

66.7 KB Created: 2020-08-07 06:16:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: dc786b830292b11e03d9e2b70798fde1 SHA-1: e6e06e76e36f71d5a169396d7c1d1e295b402861 SHA-256: d069283fa8815249a861b341e22e99185ad0478a7e1430aa8baf4991fdc18009
128 Risk Score

Malware Insights

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

The PDF file contains heuristics indicating it's a malicious redirector and part of a link farm, disguised as an invoice. The embedded document body text, though heavily obfuscated, contains a URL that is also flagged as malicious. This suggests the document's primary purpose is to lure the user to a malicious site, likely for phishing or malware distribution.

Heuristics 4

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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.cc/pify?keyword=cash+flow+statement+solved+problems+with+adjustments+pdf
    • http://files.styleincluded.com/uploads/1/3/2/7/132710694/415239.pdf
    • http://files.waitingroomministry.org/uploads/1/3/1/4/131455463/dominukowa-dubesep.pdf
    • http://files.ebenezerconyers.com/uploads/1/3/1/4/131408537/5101117.pdf
    • http://files.jvonhdesigns.com/uploads/1/3/0/8/130814868/26e94e.pdf
    • http://reluwap.hatfieldchurch.org/uploads/1/3/0/7/130776031/lurubutudodefure.pdf
    • https://cdn.shopify.com/s/files/1/0437/5917/3784/files/ximifosiwemajogumikibini.pdf
    • https://cdn.shopify.com/s/files/1/0432/7460/0598/files/bovaniwetajos.pdf
    • https://cdn.shopify.com/s/files/1/0429/5933/9674/files/buwagegosumivapi.pdf
    • https://cdn.shopify.com/s/files/1/0434/5744/6038/files/96352143133.pdf
    • https://cdn.shopify.com/s/files/1/0428/3462/4679/files/befogetolikigu.pdf
    • https://cdn.shopify.com/s/files/1/0431/5955/2155/files/99483160337.pdf
    • https://cdn.shopify.com/s/files/1/0433/1801/8216/files/28516292422.pdf
    • https://cdn.shopify.com/s/files/1/0428/2492/5351/files/63564337174.pdf
    • https://cdn.shopify.com/s/files/1/0429/7146/3831/files/jobawokuwajusazufogude.pdf
    • https://cdn.shopify.com/s/files/1/0447/8281/3341/files/learn_japanese_hiragana.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/1/0434/5744/6038/files/9635214

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000bbe9.bin
3b89a1333aa93e194de12c5c5da229a8f3a969ace6b07a90c5323b9ece6747ec
pdf-font-stream PDF embedded font (sfnt) at offset 0xBBE9 2828 bytes
font_01_sfnt_off0000c5e4.bin
780126b54be8c76d6a880bc87b29635e9795a62f36fb600d42a2188f11c70501
pdf-font-stream PDF embedded font (sfnt) at offset 0xC5E4 5556 bytes
font_02_sfnt_off0000d8b1.bin
32991b677c2c6aeff375bb93f957f31e8fdea462693539b258e802928e1b353f
pdf-font-stream PDF embedded font (sfnt) at offset 0xD8B1 9876 bytes