Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2e57f879a3dcd90…

MALICIOUS

PDF

45.1 KB Created: 2020-07-22 21:34:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 62d34e44a20dc753ce88fcf2f20f81e7 SHA-1: 9c1c3e8c4457348e40a0026c653c52201a750244 SHA-256: f2e57f879a3dcd90300de84788e0d8c59d9aab76f429c4a88379a0ea45f90c6c
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, which is the primary attack vector. It also fires for a PDF link farm, indicating a potential SEO poisoning or spamming campaign. The embedded URL leads to a redirector that is likely part of a phishing or malware distribution chain.

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/wb?keyword=design%20basics%20index%20pdf%20download
    • http://files.goldensamurai.net/uploads/1/3/2/6/132695874/fibowidedaven_murodosajoza_zuxemuwas.pdf
    • http://files.prigitalsolutions.com/uploads/1/3/1/0/131071076/577897.pdf
    • http://files.greymatternoise.com/uploads/1/3/1/1/131164310/jedun-sonopezixori-miberadunixod.pdf
    • http://files.greymatternoise.com/uploads/1/3/1/1/131164
    • https://cdn.shopify.com/s/files/1/0429/3243/7158/files/xigepa.pdf
    • https://cdn.shopify.com/s/files/1/0428/0962/2691/files/sebabozemezulesiweb.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zosakasebiribo.pdf
    • https://cdn.shopify.com/s/files/1/0430/5905/2706/files/12012452042.pdf
    • https://cdn.shopify.com/s/files/1/0429/9040/3737/files/3540861033.pdf
    • https://bibukexinuf.files.wordpress.com/2020/06/82644133400.pdf
    • https://pekoradevi.files.wordpress.com/2020/07/64001985965.pdf
    • https://bowepibikum.files.wordpress.com/2020/06/sidigezusimemepuwewudezim.pdf
    • https://cdn.shopify.com/s/files/1/0430/8988/7396/files/89148310187.pdf
    • https://cdn.shopify.com/s/files/1/0427/7266/0390/files/47141045942.pdf
    • https://cdn.shopify.com/s/files/1/0436/6965/1606/files/gogijisup.pdf
    • https://cdn.shopify.com/s/files/1/0433/1290/6405/files/17382120454.pdf
    • https://cdn.shopify.com/s/files/1/0434/0508/2776/files/teratafabavudofosiwaz.pdf
    • https://cdn.shopify.com/s/files/1/0432/7538/7043/files/ziwejogonazanadaxovetawup.pdf
    • https://cdn.shopify.com/s/files/1/0440/5723/1525/files/44574673758.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_off00007254.bin
db35ab3b66cd5ef8401ee4bff6f305f4abbf806e5958312d3d206256d65ace88		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7254 5236 bytes
font_01_sfnt_off0000843e.bin
339556c71941cdd1f57ae772b9d81ed842f9ad8150e65d2af3d6b3d0da46dd90		 pdf-font-stream PDF embedded font (sfnt) at offset 0x843E 10088 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.