Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a9ec12a066fa53d…

MALICIOUS

PDF

33.9 KB Created: 2020-08-20 14:15:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 551e8185fee023308d526c45a22a201d SHA-1: 3195ce434d921753a4bbc226ac13748d88186e3b SHA-256: 8a9ec12a066fa53d1593c9900e9dcf501330323ff0525160055e25c08ca1d886
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF document contains a link to a known malicious redirector, ttraff.cc, which is likely intended to lead the user to a malicious site. The document also features a link farm of numerous PDFs hosted on Shopify, suggesting an attempt to manipulate search engine results or distribute content broadly. The primary malicious link is https://ttraff.cc/pify?keyword=iqsms+reporting+2, which is presented to the user as a reporting tool.

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=iqsms+reporting+2
    • http://files.juliewiegand.com/uploads/1/3/1/4/131453480/dd1b72145be5fa.pdf
    • https://cdn.shopify.com/s/files/1/0431/7233/1675/files/xudomowo.pdf
    • https://cdn.shopify.com/s/files/1/0440/9714/2936/files/60285667201.pdf
    • https://cdn.shopify.com/s/files/1/0439/1727/9400/files/voweluniwezezasafo.pdf
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/75758509315.pdf
    • https://cdn.shopify.com/s/files/1/0428/6775/3116/files/fonapovokogopafaxekadub.pdf
    • https://cdn.shopify.com/s/files/1/0429/9980/8149/files/67395786624.pdf
    • https://cdn.shopify.com/s/files/1/0434/0292/0086/files/18714651835.pdf
    • https://cdn.shopify.com/s/files/1/0438/9303/1080/files/barbell_exercises.pdf
    • https://cdn.shopify.com/s/files/1/0439/0027/2792/files/66757947925.pdf
    • https://cdn.shopify.com/s/files/1/0430/9473/7045/files/dialysis_treatment_options.pdf
    • https://cdn.shopify.com/s/files/1/0437/7827/7527/files/xajuw.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_off000048cc.bin
a5f5134c8ec9eb3bf9e8f52fc63501e0c1ba13d2d2b6a761c1de422915fc1dc9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x48CC 5092 bytes
font_01_sfnt_off00005a0b.bin
ed163cdd20c82e90b18001700281b8ce0d83521e0c4fe6a93ffa0f4668f88757		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A0B 9720 bytes

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