Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e0282b9ef48c857…

MALICIOUS

PDF

80.3 KB Created: 2020-08-19 18:13:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d68fd39f5c50a793f16cc5fb58f81101 SHA-1: 22baa4d50805ff343c3f38665888b6786f416b50 SHA-256: 2e0282b9ef48c857ed925fbd77f2e3900f51e74ee6d233b23c957eda9fb7c223
160 Risk Score

Malware Insights

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

The PDF file contains a heuristic indicating it's a malicious redirector link pointing to a known malicious domain, and another heuristic flagging it as an advance-fee scam lure. The document body, though heavily obfuscated, contains the URL that triggered the malicious redirector heuristic. The primary purpose appears to be to trick users into clicking the malicious link under the guise of a prize or lottery notification, which is a common advance-fee fraud tactic.

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.ru/pify?keyword=dm+full+form+in+medical+line
    • http://files.robbynapoli.com/uploads/1/3/1/4/131455398/5b37a9048.pdf
    • http://perapal.depthsofimagination.net/uploads/1/3/1/4/131453050/ruwefubun.pdf
    • http://tajir.ebisuonline.com/uploads/1/3/1/8/131872295/gatevakibedoviwa.pdf
    • http://files.lowereastsideheroines.com/uploads/1/3/1/4/131437987/2635380.pdf
    • https://cdn.shopify.com/s/files/1/0444/4097/7574/files/biological_control_of_pests.pdf
    • https://cdn.shopify.com/s/files/1/0439/2573/3531/files/nuroriwikaperi.pdf
    • https://cdn.shopify.com/s/files/1/0428/9023/1974/files/53596388514.pdf
    • https://cdn.shopify.com/s/files/1/0447/2075/0745/files/55629186533.pdf
    • https://cdn.shopify.com/s/files/1/0434/4456/8216/files/enhancement_shaman_6._2_pvp.pdf
    • https://cdn.shopify.com/s/files/1/0433/8886/2614/files/29507619863.pdf
    • https://cdn.shopify.com/s/files/1/0435/0076/5336/files/jusikok.pdf
    • https://cdn.shopify.com/s/files/1/0430/6888/3098/files/fusosavazixanabofam.pdf
    • https://cdn.shopify.com/s/files/1/0435/8746/9469/files/20602830602.pdf
    • https://cdn.shopify.com/s/files/1/0437/8260/2913/files/introduction_to_statistical_learning_hastie.pdf
    • https://cdn.shopify.com/s/files/1/0438/8211/9323/files/blank_bill_of_lading_form.pdf
    • https://cdn.shopify.com/s/files/1/0432/2567/7982/files/fawevenowitad.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_off0000ffaa.bin
1d406486c13fbee37a1c9d143dca585836dc16e50537e4219672fa673b6d8d97
pdf-font-stream PDF embedded font (sfnt) at offset 0xFFAA 4988 bytes
font_01_sfnt_off00011083.bin
c175d7dec6d52811388f61fe85ce3c1875016288dc11c07c02d17b57ace15942
pdf-font-stream PDF embedded font (sfnt) at offset 0x11083 10436 bytes