Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d763854baf69353…

MALICIOUS

PDF

119.2 KB Created: 2020-08-10 15:19:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5ce7b45bc8a12278e94f509c974a8c75 SHA-1: 38e352cc9e68d4ea153afdfa9322d4d807f13922 SHA-256: 1d763854baf69353c74c8bfd13c48868bf84c4bdd893812ccdd2330b2558c559
188 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains lures consistent with advance-fee scams and callback phishing, instructing the user to click a link. The link redirects to a malicious domain, likely to deliver a secondary payload or phish for credentials. The document body text, though heavily obfuscated, contains the malicious URL, reinforcing the redirection attempt.

Heuristics 6

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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.com/pify?keyword=intermediate+accounting+10th+canadian+edition+volume+1+solutions+manual+pdf
    • http://files.laniermedia.com/uploads/1/3/1/8/131871699/retag.pdf
    • http://files.wmbilljones.com/uploads/1/3/1/4/131437683/2105466.pdf
    • http://files.baronehealthcenter.com/uploads/1/3/0/7/130775828/gumara.pdf
    • http://files.patriotbandsupport.org/uploads/1/3/0/9/130969633/745dd714c705b.pdf
    • http://files.theleastoftheseministry.org/uploads/1/3/1/3/131398177/sijus.pdf
    • https://cdn.shopify.com/s/files/1/0428/3963/8179/files/55240150144.pdf
    • https://cdn.shopify.com/s/files/1/0429/6772/8279/files/latorajumata.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lajuvifubukakevo.pdf
    • https://cdn.shopify.com/s/files/1/0438/4089/7174/files/boxawutosatajimo.pdf
    • https://cdn.shopify.com/s/files/1/0431/6377/9221/files/berichtsheft_galabau.pdf
    • https://cdn.shopify.com/s/files/1/0434/6249/2325/files/texux.pdf
    • https://cdn.shopify.com/s/files/1/0432/4976/2459/files/16136954889.pdf
    • https://cdn.shopify.com/s/files/1/0434/4751/7349/files/magil.pdf
    • https://cdn.shopify.com/s/files/1/0438/9660/2779/files/filuvudugalixeruzubeniva.pdf
    • https://cdn.shopify.com/s/files/1/0434/4633/7693/files/8x8_shed_plans.pdf
    • https://cdn.shopify.com/s/files/1/0434/4951/6199/files/asterix_francais.pdf
    • https://cdn.shopify.com/s/files/1/0428/7604/3423/files/merakajipakez.pdf
    • https://cdn.shopify.com/s/files/1/0432/2207/3506/files/wurolumanuzevedukowoje.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00019629.bin
deb04f9cbc70395a8afb2b140cfcc6b23051cd349abae8852ea9bd9b36795376		 pdf-font-stream PDF embedded font (sfnt) at offset 0x19629 5760 bytes
font_01_sfnt_off0001a996.bin
c39674d9fd3364522327d2903cbd562b4ab6856f407f036d9ef01d80a68dd8c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1A996 11068 bytes

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