Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d124503ec647cc0…

MALICIOUS

PDF

43.7 KB Created: 2020-08-17 06:02:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0e028eb110f859f7659ceb271c0e8d00 SHA-1: 418d53d5c9dbd1f83ec6fe71471e4346a94b941d SHA-256: 3d124503ec647cc0d79f4a92ef5ddfe43afdfaeeb2cfc4affaee5150f3d56033
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1200 Hardware Add-in Systems T1059.001 Command and Scripting Interpreter: PowerShell

The PDF document contains a large number of embedded links, masquerading as a meal plan template. One of the primary links, 'https://ttraff.cc/pify?keyword=meal+plan+grocery+list+template', is identified as a malicious redirector. The document also exhibits characteristics of a link farm, with many URLs pointing to Shopify domains, likely for SEO manipulation or to host further malicious content. No scripts were extracted, but the extensive use of malicious links indicates a phishing or redirection attack.

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.cc/pify?keyword=meal+plan+grocery+list+template
    • http://files.rentfloridahomes.com/uploads/1/3/1/4/131406288/8effca08.pdf
    • http://zotavimis.woodside1-2-3-4hoa.org/uploads/1/3/1/4/131483400/cfac59ef.pdf
    • http://tital.churchbarmt.com/uploads/1/3/1/3/131383982/6076704.pdf
    • http://wuroguniv.sallysharpe.net/uploads/1/3/1/3/131398140/8090465.pdf
    • https://cdn.shopify.com/s/files/1/0434/1733/8005/files/disable_macafee_on_mac.pdf
    • https://cdn.shopify.com/s/files/1/0434/4197/9553/files/28426635949.pdf
    • https://cdn.shopify.com/s/files/1/0439/1777/0904/files/bidart_campos_teoria_del_estado.pdf
    • https://cdn.shopify.com/s/files/1/0428/1538/9855/files/dedelasudewonive.pdf
    • https://cdn.shopify.com/s/files/1/0432/4855/0050/files/18639548809.pdf
    • https://cdn.shopify.com/s/files/1/0433/7680/3990/files/nibopakiperewezawiw.pdf
    • https://cdn.shopify.com/s/files/1/0432/3393/5519/files/test_de_raven_laminas_adultos.pdf
    • https://cdn.shopify.com/s/files/1/0427/8996/1884/files/88468855514.pdf
    • https://cdn.shopify.com/s/files/1/0447/4558/8887/files/zopaditexez.pdf
    • https://cdn.shopify.com/s/files/1/0438/0108/4064/files/english_guide_for_class_12_sindh_board.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1741554469.pdf
    • https://cdn.shopify.com/s/files/1/0433/2571/8678/files/44344118395.pdf
    • https://cdn.shopify.com/s/files/1/0435/8022/7747/files/xaputenarugenalamof.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_off00006c1c.bin
73a85382cc204718d24ec832e3d4a6f46d2e86e4ac55bf82067b09441fc02014		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C1C 5360 bytes
font_01_sfnt_off00007e47.bin
b78c6b9cd00db4a5b4ccd630ec715debbdc203c5b8796af56c85db27318a7759		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E47 10588 bytes

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