Malicious PDF — malware analysis report

Static analysis result for SHA-256 283f2ea893797998…

MALICIOUS

PDF

45.1 KB Created: 2020-08-14 22:09:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 701d1a2caa5e08fb07ca82e35ffd7523 SHA-1: c56fba24ea3951f872c85d289f0082a3472a891d SHA-256: 283f2ea893797998dd01402ee4d7be8e74ad7764221f5f368d8706e767a0704c
120 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though partially corrupted, contains text related to 'computer flight simulator games free' and the malicious redirector URL. This suggests a social engineering attempt to drive traffic to malicious infrastructure under the guise of providing game-related content.

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.cc/pify?keyword=computer+flight+simulator+games+free
    • http://files.parkjourney.com/uploads/1/3/2/6/132680813/7912783.pdf
    • https://cdn.shopify.com/s/files/1/0438/3421/2509/files/80678440506.pdf
    • https://cdn.shopify.com/s/files/1/0435/3196/0469/files/seirawan_winning_chess_strategies.pdf
    • https://cdn.shopify.com/s/files/1/0431/6643/3435/files/50219521208.pdf
    • https://cdn.shopify.com/s/files/1/0432/2734/9159/files/33995425047.pdf
    • https://cdn.shopify.com/s/files/1/0430/1871/5289/files/pabalefamavifun.pdf
    • https://cdn.shopify.com/s/files/1/0432/6552/3870/files/jedube.pdf
    • https://cdn.shopify.com/s/files/1/0432/3698/2952/files/68406782314.pdf
    • https://cdn.shopify.com/s/files/1/0431/4388/9057/files/57365315673.pdf
    • https://cdn.shopify.com/s/files/1/0433/1667/4713/files/16959165529.pdf
    • https://cdn.shopify.com/s/files/1/0437/7850/6909/files/bleu_roblox_exploit.pdf
    • https://cdn.shopify.com/s/files/1/0434/6429/4557/files/freeman_biological_science_6th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0435/1862/3896/files/57243494080.pdf
    • https://cdn.shopify.com/s/files/1/0432/3164/1767/files/foxfi_full_version_key_hack.pdf
    • https://cdn.shopify.com/s/files/1/0431/1898/5372/files/75164265562.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_off0000713a.bin
e956be0c2a9f2b03ec08bec12b1e800c6bc89e54c4f8744924a7ac7678622cd2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x713A 5220 bytes
font_01_sfnt_off000082d6.bin
c4df24f999a41b7dd7edce682bc377cc038ec40faa4e6af7419bea60559a3508		 pdf-font-stream PDF embedded font (sfnt) at offset 0x82D6 10736 bytes

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