Malicious PDF — malware analysis report

Static analysis result for SHA-256 a671320a60fe1032…

MALICIOUS

PDF

40.3 KB Created: 2020-08-08 06:11:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6a677cc41ac9f42e42f2ce0da3bfccbc SHA-1: 9df3bb8de64f506c655b64667edfb1278a2a5a9e SHA-256: a671320a60fe10329c5b2234c3ebdf266c863013f35f6657d7290c8b443b5f41
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with one identified as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external PDF links, suggesting a link farm or SEO manipulation tactic. The primary malicious URL is ttraff.com, which likely serves as a gateway to further malicious content or phishing pages.

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/pify?keyword=%25CE%25B2%25CE%25B9%25CE%25B2%25CE%25BB%25CE%25B9%25CE%25BF+%25CE%25B1%25CE%25BB%25CE%25B3%25CE%25B5%25CE%25B2%25CF%2581%25CE%25B1%25CF%2582+%25CE%25B2+%25CE%25BB%25CF%2585%25CE%25BA%25CE%25B5%25CE%25B9%25CE%25BF%25CF%2585+pdf
    • http://gaduruj.polktwp.com/uploads/1/3/1/6/131637814/gewodarowe_ketefub.pdf
    • http://files.springlittercleanup.com/uploads/1/3/2/6/132682561/1839336.pdf
    • http://files.saintjosephsculturalcenter.org/uploads/1/3/1/3/131384113/kugon_pisetisaxazibum_vavete_kujop.pdf
    • http://files.graceandfaithboutique.net/uploads/1/3/1/4/131410007/fofazurixutifu_zaboli_gofup_nopegodefeso.pdf
    • http://files.meaningfulhealthhurunui.org/uploads/1/3/0/7/130775465/somivaw.pdf
    • https://cdn.shopify.com/s/files/1/0433/6130/4728/files/zezulitowuvupirudiw.pdf
    • https://cdn.shopify.com/s/files/1/0429/3532/0735/files/tizejipotonuvojinesuf.pdf
    • https://cdn.shopify.com/s/files/1/0436/2246/5699/files/xovefa.pdf
    • https://cdn.shopify.com/s/files/1/0431/7547/7414/files/39429418005.pdf
    • https://cdn.shopify.com/s/files/1/0433/0163/4213/files/24180790984.pdf
    • https://cdn.shopify.com/s/files/1/0439/5502/8126/files/container_gardening.pdf
    • https://cdn.shopify.com/s/files/1/0440/9648/7576/files/tuteruvun.pdf
    • https://cdn.shopify.com/s/files/1/0432/0821/2638/files/wudimodojadoval.pdf
    • https://cdn.shopify.com/s/files/1/0431/0538/6647/files/58504077136.pdf
    • https://cdn.shopify.com/s/files/1/0428/1607/7991/files/juzevo.pdf
    • https://cdn.shopify.com/s/files/1/0429/6799/0438/files/59008386685.pdf
    • https://cdn.shopify.com/s/files/1/0445/6900/2143/files/anisocitosis_concepto.pdf
    • https://cdn.shopify.com/s/files/1/0429/1385/7692/files/wujetenosepo.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rixozuxixewu.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_off00004d7e.bin
04bcfd075d87e687d83e47cce54c05422356ca39afda18ae6679c537735c8c8f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4D7E 5876 bytes
font_01_sfnt_off00006183.bin
8dc4dfed74eaa19b21a783dd2bc6f40910f9b34a78557c526534d9a8914488f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6183 15468 bytes

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