Malicious PDF — malware analysis report

Static analysis result for SHA-256 6bc150f3a49f2df5…

MALICIOUS

PDF

41.5 KB Created: 2020-09-06 01:38:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 717c57a81dca6354130533e0a013c70f SHA-1: 2e10bd1316d8a48f0b4212252180ff84b9e1289a SHA-256: 6bc150f3a49f2df5c7bd04c0c507dbc56e04fc969229415a85c9c52750b785fd
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of embedded links, many of which point to external PDF files, forming a link farm. One of these links, 'https://ttraff.me/wix?keyword=newspaper+pirate+hat+template', is flagged as a malicious redirector. This suggests an attempt to lure users to malicious infrastructure, likely for further exploitation or phishing. The presence of numerous Shopify links, while some are benign, indicates a pattern of using legitimate platforms to host content for a larger malicious operation.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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.me/wix?keyword=newspaper+pirate+hat+template In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6432/6299/files/cheb_khaled_songs_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7863/1072/files/nomaripuxajigofusewigo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/0313/9480/files/kibana_batho_bana_song.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6841/4370/files/24840337649.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6019/1637/files/70180499460.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/0c4177_b198209e37f14bb88468af5782a421ca.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/a2e20a_f04375e64c5944269565c4e861b1c632.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/c8f33b_f9cf7d35feac4e79adc180531405dc4e.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/05900a_88ebb0d9256b43968206a57749d6ca69.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/8c0e65_162ad340509242dc88b844daf01208d4.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/594ae5_72d7d576e6f34088939d914961520bb1.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/5bb01c_95b1045788984143bd3446c62b2d814d.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/9421c8_afd078aeb67d4ea59b07e9711e3fa70c.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/0789d5_157b7264ef60431abc05e5f8438f61d4.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006580.bin
0ab7aba329ee1bcb5651083e4c06decd9258d34e2879262d4ea0f7c307b04e42		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6580 5120 bytes
font_01_sfnt_off000076d4.bin
72937be764ca76ac3f1faeaa9d88f5081375391730893bbb66be173ad1534575		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76D4 10072 bytes

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