Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2dff7f6ffe66794…

MALICIOUS

PDF

54.3 KB Created: 2020-08-01 02:41:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ef2de3fe2e2990e26bac09f6211ea32f SHA-1: d9d2d0f082a488835663d5b1c2d668e4be1adb2d SHA-256: b2dff7f6ffe6679466c8e19c87ae03511776aa31da5cca2842af17fb1ed89032
162 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with many links pointing to Shopify domains and one critical link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=5e+mystic+pdf'. The heuristic 'SE_ADVANCE_FEE_SCAM_LURE' indicates the document's content is designed to trick users into believing they have won a lottery or are due a large sum of money, requiring them to pay fees or provide information, which is a common advance-fee fraud tactic. The document body contains obfuscated text and URLs, suggesting an attempt to disguise the malicious intent.

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.
  • 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.
  • 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=5e+mystic+pdf
    • http://files.alessandracassar.net/uploads/1/3/1/6/131606046/9161578.pdf
    • http://files.mrsdinglesclass.com/uploads/1/3/0/8/130814192/pedilekiretibisosa.pdf
    • http://files.redditchchessclub.org/uploads/1/3/0/9/130969573/7b8af8e323f37a4.pdf
    • http://files.stephaniebershyoga.com/uploads/1/3/1/3/131379371/1049198.pdf
    • http://files.theamateurmediablog.com/uploads/1/3/1/3/131381607/4992372.pdf
    • https://cdn.shopify.com/s/files/1/0431/2173/7882/files/81254296745.pdf
    • https://cdn.shopify.com/s/files/1/0431/0866/3456/files/60106242707.pdf
    • https://cdn.shopify.com/s/files/1/0432/5949/4555/files/rekawijesuvi.pdf
    • https://cdn.shopify.com/s/files/1/0432/7833/6165/files/bibojiragibabenolor.pdf
    • https://cdn.shopify.com/s/files/1/0431/6859/6123/files/99044497401.pdf
    • https://cdn.shopify.com/s/files/1/0434/0056/0805/files/bugikadovodipazukuderu.pdf
    • https://cdn.shopify.com/s/files/1/0432/5248/2208/files/53140792722.pdf
    • https://cdn.shopify.com/s/files/1/0433/1044/8798/files/12372657649.pdf
    • https://cdn.shopify.com/s/files/1/0432/6634/3072/files/ms_subbulakshmi_suprabhatam.pdf
    • https://cdn.shopify.com/s/files/1/0427/6381/3020/files/jafugabelomusolinopunon.pdf
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/18559935921.pdf
    • https://cdn.shopify.com/s/files/1/0440/1322/4094/files/wuzozazunagiledegunidolu.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_off00009801.bin
f4975db5586f4d7b0a39be5c73aa8bc790f471cbd1a81b19fefaff655bd4f264
pdf-font-stream PDF embedded font (sfnt) at offset 0x9801 5092 bytes
font_01_sfnt_off0000a95a.bin
72e5915162bd730a0d50173f069a6a376e1327e0c8ace75059fc715e000a42ec
pdf-font-stream PDF embedded font (sfnt) at offset 0xA95A 10404 bytes