Malicious PDF — malware analysis report

Static analysis result for SHA-256 336886d856ba0428…

MALICIOUS

PDF

43.0 KB Created: 2020-09-30 09:24:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 091aff4225fc82ff79eedad9354231a1 SHA-1: 4b90726458af1220ad8a6d5b6544f0f36ec91ddc SHA-256: 336886d856ba04281bec60d93d5e716f01824eef5f8d6f15627fc084ddeaf258
100 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link that is part of an advance-fee scam. The document body, though heavily obfuscated, contains text fragments and the malicious URL, indicating a lure to a scam website. The heuristic firings confirm the presence of a malicious redirector and an advance-fee scam lure.

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.
  • 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://gettraff.ru/strik?keyword=branches+of+science+and+their+meaning+pdf
    • https://site-1036851.mozfiles.com/files/1036851/pagawatokivimegus.pdf
    • http://files.ablecksmith.com/uploads/1/3/0/7/130775108/6736930.pdf
    • http://files.wmetpllc.com/uploads/1/3/0/7/130776483/9baf96d8e5b8b.pdf
    • http://files.creeksideband.com/uploads/1/3/1/3/131384789/3301404.pdf
    • https://uploads.strikinglycdn.com/files/31d2b9e2-61b5-44ec-884d-4f6322e0d9d5/19026019551.pdf
    • https://uploads.strikinglycdn.com/files/c2c9587b-fdaa-424b-858e-9debb2c7ba95/11023424579.pdf
    • https://uploads.strikinglycdn.com/files/dcb67aeb-1e8d-4dae-b675-bb448544f3f1/womub.pdf
    • https://uploads.strikinglycdn.com/files/a94290f8-619c-48ff-88bb-42ccd310d4b4/19457433824.pdf
    • https://uploads.strikinglycdn.com/files/486bca2f-b286-4e89-a6be-a5d74fdf07c9/vavewopumipavagasoja.pdf
    • https://cdn.shopify.com/s/files/1/0435/3985/7572/files/35603769696.pdf
    • https://cdn.shopify.com/s/files/1/0431/8973/1479/files/54516225046.pdf
    • https://cdn.shopify.com/s/files/1/0434/9313/0390/files/12182716931.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_off000068c5.bin
2f66cc77be08846c224d5e3f1dd3a920e1e1585261c4391ce489ed58e23cad88		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68C5 5588 bytes
font_01_sfnt_off00007ba0.bin
983bab38420e480ed0ff2a6ec285ae652c36c86b24aebd7d7d04119bee5cff77		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7BA0 10496 bytes

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