Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d9fef589ed059fc…

MALICIOUS

PDF

53.4 KB Created: 2020-08-06 07:06:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 074f3d22594fcb6390070add582f3fbb SHA-1: 45feff26191695e7d607dd9b6d026739a54ca541 SHA-256: 6d9fef589ed059fcf081603b60cba11653074c668b071f20fd82d510e3d81b65
154 Risk Score

Malware Insights

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

The PDF contains a heuristic firing indicating it links to known malicious redirector infrastructure, specifically 'ttraff.com'. The document body, though partially corrupted, contains the URL 'https://ttraff.com/pify?keyword=most+important+characteristics+of+an+entrepreneur+pdf', suggesting a lure to a malicious site disguised as a document. The presence of numerous other PDF links further supports a link farm or redirection scheme.

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.com/pify?keyword=most+important+characteristics+of+an+entrepreneur+pdf
    • http://files.helensofaer.com/uploads/1/3/0/8/130874385/2524771.pdf
    • http://files.riverroofingbend.com/uploads/1/3/0/9/130969633/5510357.pdf
    • http://fetota.thelittlebull.com/uploads/1/3/0/7/130775350/c8004f4380f87.pdf
    • http://files.thenecessarian.com/uploads/1/3/1/4/131453247/xixabuxos_nipuwuwewi_sufedetafebavu_bujipesefuvu.pdf
    • http://feforu.minnesota42.com/uploads/1/3/1/4/131482853/4014584.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0431/1829/7245/files/94510482411.pdf
    • https://cdn.shopify.com/s/files/1/0431/1692/0996/files/33591880612.pdf
    • https://cdn.shopify.com/s/files/1/0433/4629/6982/files/75236807617.pdf
    • https://cdn.shopify.com/s/files/1/0428/3308/4575/files/32802104380.pdf
    • https://cdn.shopify.com/s/files/1/0432/6657/2452/files/62096787169.pdf
    • https://cdn.shopify.com/s/files/1/0432/5244/9444/files/ditiximozodidapakop.pdf
    • https://cdn.shopify.com/s/files/1/0430/4027/6642/files/managerial_accounting_hilton_10th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0434/5744/6038/files/3d_max_tutorial_free.pdf
    • https://cdn.shopify.com/s/files/1/0428/8158/1209/files/lamedebole.pdf
    • https://cdn.shopify.com/s/files/1/0433/8617/5651/files/65858251300.pdf
    • https://cdn.shopify.com/s/files/1/0439/2960/0155/files/fanuc_robot_manual.pdf
    • https://cdn.shopify.com/s/files/1/0433/7660/7390/files/pajofaxasimofalogivosamu.pdf
    • https://cdn.shopify.com/s/files/1/0439/0574/5051/files/1477842989.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/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000091de.bin
f6f36502bb380b0d033c5444b5d0c129b0041d06145218c538c7407cc07d3aa6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x91DE 5368 bytes
font_01_sfnt_off0000a400.bin
00154e95a5a3c6668840b4b2e548938287f2cecff61aa44457ddfa5242e49370		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA400 10596 bytes

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