Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb860e5f8b6ce6bc…

MALICIOUS

PDF

51.3 KB Created: 2020-09-01 05:27:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7c3b97075d69882a6760340ae7c6de3a SHA-1: c02652d32b401412d632c794db54a79c0a88bbe2 SHA-256: fb860e5f8b6ce6bc7af4a208b97be9331c3f294f5cb7230827f8408bdf27afa2
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.com'. This suggests a phishing or scam attempt, likely using the embedded links as a lure. The document body, though heavily obfuscated, contains the target URL, reinforcing the malicious intent. No scripts were extracted from this sample.

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=ipa+english+pronunciation+guide
    • https://cdn.shopify.com/s/files/1/0438/3942/2626/files/souncloud_to_mp3.pdf
    • https://cdn.shopify.com/s/files/1/0432/2358/0835/files/apologetics_books.pdf
    • https://cdn.shopify.com/s/files/1/0436/5837/9417/files/lezobimen.pdf
    • https://cdn.shopify.com/s/files/1/0429/0638/6595/files/morisky_green_levine_medication_adherence_scale.pdf
    • https://cdn.shopify.com/s/files/1/0432/3796/5986/files/waladosofunujeninadetajap.pdf
    • https://cdn.shopify.com/s/files/1/0431/4890/2554/files/sweet_potato_pie_story.pdf
    • https://cdn.shopify.com/s/files/1/0438/0760/4896/files/46644214150.pdf
    • https://cdn.shopify.com/s/files/1/0432/9606/3652/files/18100615027.pdf
    • https://cdn.shopify.com/s/files/1/0437/5989/4680/files/mamujoxasumuj.pdf
    • https://cdn.shopify.com/s/files/1/0427/6197/8023/files/pofof.pdf
    • https://cdn.shopify.com/s/files/1/0428/6663/9014/files/kb_sundarambal_hits_mp3_songs_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/2022/2627/files/lil_man_pt_2.pdf
    • https://cdn.shopify.com/s/files/1/0463/1743/7088/files/free_printable_hand_outline_template.pdf
    • https://cdn.shopify.com/s/files/1/0431/4752/6305/files/dark_souls_demon_great_machete.pdf
    • https://cdn.shopify.com/s/files/1/0435/2288/3735/files/belva_plain_evergreen.pdf
    • https://cdn.shopify.com/s/files/1/0437/0654/8377/files/84676586646.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_off00007722.bin
847f8bb468d55fadcc43eeb9abcfd3e09b3e7f3d1d35bc955030a4560f906d6c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7722 5272 bytes
font_01_sfnt_off00008906.bin
50450f349d2d35b521043ed44073add9206d22cb2588b68c3d43273f86b41652		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8906 17392 bytes

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