Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e59d02f019532e4…

MALICIOUS

PDF

42.7 KB Created: 2020-08-31 09:46:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7decd683d007a16b6a340c33da5ef912 SHA-1: 32c055d0930c78579b8a6ef4f075e82786996445 SHA-256: 1e59d02f019532e4c4ffa108a7f9192eca4956ee1c00a397bf2ee0cf9d065ad9
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/wix?keyword=crash+bandicoot+2+apk'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, including one hosted on cdn.shopify.com. The document body, though heavily obfuscated, contains the same malicious URL, reinforcing the lure. 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=crash+bandicoot+2+apk
    • https://cdn.shopify.com/s/files/1/0434/3765/4178/files/sabovozez.pdf
    • https://cdn.shopify.com/s/files/1/0436/2344/8736/files/n7000_cwm_recovery_tar.pdf
    • https://cdn.shopify.com/s/files/1/0437/5235/8039/files/velafeguzolix.pdf
    • https://cdn.shopify.com/s/files/1/0455/5482/7429/files/academic_writing_manual.pdf
    • https://static.usrfiles.com/ugd/b8c837_6179b3ed0bff4befaad311c9379ff390.pdf
    • https://static.usrfiles.com/ugd/70c1f8_664652aefe804451a49119d6c8787950.pdf
    • https://static.usrfiles.com/ugd/576447_7912ec72c8c644cf88dd7aab7a219677.pdf
    • https://static.usrfiles.com/ugd/e3ed1f_af56813818224d2d852633e5c6369969.pdf
    • https://static.usrfiles.com/ugd/6df952_2d0b5106c7004734a47d005dac465743.pdf
    • https://static.usrfiles.com/ugd/469aea_f5525c25ec60486e92eefd0b3aedd99e.pdf
    • https://static.usrfiles.com/ugd/4dd980_cb304e73649f461abaf19093ebdd92e5.pdf
    • https://cdn.shopify.com/s/files/1/0434/4145/5254/files/vememarurugo.pdf
    • https://cdn.shopify.com/s/files/1/0431/3012/6496/files/temurilifufivaxenetusip.pdf
    • https://cdn.shopify.com/s/files/1/0439/2402/9608/files/hot_dog_cart_business_plan_template.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_off0000683d.bin
aba142b247f700067819a135b945c204f50b1d274a10f0b996c584a4eaebd504		 pdf-font-stream PDF embedded font (sfnt) at offset 0x683D 5368 bytes
font_01_sfnt_off00007a68.bin
a4ef2faa771377fc7944160cbce0060ae06fd38dafdd37a156cd131a4c3ab81d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A68 10800 bytes

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