Malicious PDF — malware analysis report

Static analysis result for SHA-256 e670288daeaa60aa…

MALICIOUS

PDF

44.2 KB Created: 2020-08-28 06:01:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5e2b8048c69cfd2e74f4713abad9a60c SHA-1: e1924ec4a3e48f242e7a6d6371e580536efb03d8 SHA-256: e670288daeaa60aa65f987fbe3953b2d9efd792130c8dd07610410dd888459c9
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to shopify.com domains hosting other PDFs, forming a link farm. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.club/pify?keyword=yorku+1620+pilgrims'. This suggests the document's primary purpose is to redirect users to malicious infrastructure, likely for further exploitation or phishing. No scripts were extracted, and the document body was heavily obfuscated.

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.
  • 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.
  • 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.club/pify?keyword=yorku+1620+pilgrims
    • http://files.corvuscm.com/uploads/1/3/1/4/131407469/1741719.pdf
    • http://jagigavi.iliveinmycarandeatverywell.com/uploads/1/3/0/8/130874493/lajudifasur.pdf
    • http://lavuw.vanessanbrown.com/uploads/1/3/0/8/130814328/fudufazuvedusifuroju.pdf
    • http://resezazu.vegasvalleycpr.com/uploads/1/3/1/3/131379935/didapew-jediledena-xunozigoruves.pdf
    • https://cdn.shopify.com/s/files/1/0432/2613/6743/files/angel_eyes_korean_drama_song.pdf
    • https://cdn.shopify.com/s/files/1/0431/1577/4108/files/16287636829.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/53981477141.pdf
    • https://cdn.shopify.com/s/files/1/0440/0503/2086/files/marcius_sinaga_kraft_foods_indonsia.pdf
    • https://cdn.shopify.com/s/files/1/0435/2750/4024/files/buddhist_mantras.pdf
    • https://cdn.shopify.com/s/files/1/0430/3880/2073/files/powebijivotezoj.pdf
    • https://cdn.shopify.com/s/files/1/0431/8032/7070/files/48138985437.pdf
    • https://cdn.shopify.com/s/files/1/0434/0147/8300/files/poxojopexoxirub.pdf
    • https://cdn.shopify.com/s/files/1/0437/3266/4481/files/asma_bronkial_adalah.pdf
    • https://cdn.shopify.com/s/files/1/0432/8692/1374/files/82889873493.pdf
    • https://cdn.shopify.com/s/files/1/0438/2294/0320/files/beachbody_21_day_fix_meal_plan.pdf
    • https://cdn.shopify.com/s/files/1/0429/8758/5699/files/algebra_2_unit_1_test.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_off000063b2.bin
d9d4f19e027c106011ac555a64cf05e03e49bd5400b4d6c24aec96b1ea8875c2
pdf-font-stream PDF embedded font (sfnt) at offset 0x63B2 5432 bytes
font_01_sfnt_off00007623.bin
1c155871b45b01b62cfc37703df224d42a01270c228a90497698d0cbc57b24d8
pdf-font-stream PDF embedded font (sfnt) at offset 0x7623 14864 bytes