Malicious PDF — malware analysis report

Static analysis result for SHA-256 96740e96498cb97d…

MALICIOUS

PDF

42.7 KB Created: 2020-08-30 13:27:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 87a70685337b82e9b952cb7a2bf2ade2 SHA-1: 99e85cce033d47f04820238d572df8e6e239b716 SHA-256: 96740e96498cb97d09d2000aa8f1dfa191bb28c9240d64628a2f5b2cf3e3e792
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, indicating an attempt to lead the user to a harmful site. The document body text, though partially corrupted, suggests a lure related to 'A fazenda pública em juízo pdf'. No scripts were extracted, but the presence of a malicious redirector is a strong indicator of a phishing or malware delivery attempt.

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.com/wix?keyword=a+fazenda+p%25C3%25BAblica+em+ju%25C3%25ADzo+pdf
    • https://cdn.shopify.com/s/files/1/0437/5507/7786/files/blitzen_boogie_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0437/1572/3414/files/dewerimejax.pdf
    • https://cdn.shopify.com/s/files/1/0430/6662/2106/files/88725344983.pdf
    • https://cdn.shopify.com/s/files/1/0432/8695/4139/files/panini_dragon_ball_z.pdf
    • https://cdn.shopify.com/s/files/1/0435/8035/8811/files/t25_alpha_speed_1.0_full_workout.pdf
    • https://static.usrfiles.com/ugd/b8c837_44d2ecd20a9a48af80ae3d635c01b2a8.pdf
    • https://static.usrfiles.com/ugd/affb4a_65eb539fd62545e4b50af919f14bd79b.pdf
    • https://static.usrfiles.com/ugd/b8c837_5bd8a78e42484b0187cfcc6f3640ee6e.pdf
    • https://static.usrfiles.com/ugd/eb6612_c661debc45504a0a9d6af0ec5857b95d.pdf
    • https://static.usrfiles.com/ugd/b8c837_ddf15af9aa0248c1a4f9dcf97db101ae.pdf
    • https://static.usrfiles.com/ugd/b8c837_aa498cbccd3f411cb42edd933d93e5fa.pdf
    • https://cdn.shopify.com/s/files/1/0433/5756/9189/files/peberiwofoxeludel.pdf
    • https://cdn.shopify.com/s/files/1/0430/3772/0733/files/goranokovebutebirol.pdf
    • https://cdn.shopify.com/s/files/1/0433/2689/8344/files/aathma_bandhuvu_old_movie_songs.pdf
    • https://cdn.shopify.com/s/files/1/0438/4056/9509/files/gulowewujivipukujuno.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_off000063d4.bin
058a9b8ad3bf3a3b5e5e716668664543efcb67932a2a70945f2e977205f77d0e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63D4 5452 bytes
font_01_sfnt_off0000761c.bin
51357fa982fd55a17347d512d075d7996ba844ecdf38494a2b2b009dd62abad2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x761C 12736 bytes

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