Malicious PDF — malware analysis report

Static analysis result for SHA-256 0408553b49f3804b…

MALICIOUS

PDF

43.0 KB Created: 2020-08-19 17:17:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 166f5e9e475ac06f34a3145265b11d8e SHA-1: 6f9039befa98f33f71304a7d2656580271b9b3ef SHA-256: 0408553b49f3804ba4a78d7cfbc7999f0c48f0825edc5eee1ae99b2e46f70a8a
154 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=jasper+reports+server+api', which is flagged as malicious. The presence of numerous links, including to Shopify domains, suggests an attempt to manipulate search engine results or lure users to malicious sites.

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=jasper+reports+server+api
    • http://files.emittedenergy.com/uploads/1/3/2/7/132712483/biwetiwovuxafewowok.pdf
    • http://<host>:<port>/jasperserver-pro/rest_v2/resources?type
    • http://<host>:<port>/jasperserver-pro/rest/GetEncryptionKey
    • http://<host>:<port>/jasperserver-pro��/j_spring_security_check
    • http://:<host><port>/jasperserver-
    • http://:<port>/jasperserver
    • http://<host><port>rest_v2/rest_v2
    • http://<host>:<port>/jasperserver-pro/rest_v2/domains/.../me
    • http://<host>/
    • http:///inputControls
    • http://<host>:<port>/jasperserver/pro/rest_v2<host>rest_v2//http://
    • http:///queryExecutor<host>:<port>/jasperserver-pro/rest_v2/caches/vds
    • http:///administrationwithoutorganizations
    • http://<host>rest_v2<port><host><port>http:///http://<host&gt
    • http://:<port>/jasperserver-pro/rest_v2/organizations/...//attributes
    • http://<host>:<port>/jasperserver-pro/rest_v2/organizations/organizations/organizations///attributes
    • http://<host>:<port>/jasperserver-pro/rest_v2/organizations/.../users///attributes
    • http://<host>:<port>/jasperserver-pro/rest_v2/organizations/...//roles
    • http://<host>:<port>/jasperserver-pro/rest_v2/attributes
    • http://<host>:<port>/jasperserver-pro/resource</port&gt
    • http://<host>:<port>/jasperserver-pro/rest/report
    • http://<host>:<port>/jasperserver-http://
    • http://:<port>/jasperserver-pro/rest/rest/user
    • http://<host>:<port>/jasperserver-pro/rest/organization
    • http://<host>:<port>/jasperserver-pro/rest/user<host>http://:<port>/jasperserver-pro/rest/rest/attribute
    • http://<host>/<port&gt
    • http://<host>:<port>/jasperserver/services/repository
    • http://:<port>/jasperserver/services/ReportScheduler
    • http://<host>:<port>/jasperserver/services/UserAndRoleManagementService
    • http://<host&gt
    • http://<host>:<port>/jasperserver-pro/services/DomainServices
    • http://:<port>/jasperserver-
    • http://:<port>//jasperserver-pro/services/UserAndRoleManagementService</port&gt
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0427/8134/3900/files/79469005411.pdf
    • https://cdn.shopify.com/s/files/1/0433/3066/6651/files/the_little_black_boy_william_blake.pdf
    • https://cdn.shopify.com/s/files/1/0430/9758/7861/files/segodewudubazexo.pdf
    • https://cdn.shopify.com/s/files/1/0437/5055/5799/files/rodeo_travis_scott_mp3.pdf
    • https://cdn.shopify.com/s/files/1/0449/8941/5583/files/idealism_theory_in_international_relations.pdf
    • https://cdn.shopify.com/s/files/1/0433/9128/7461/files/72432155610.pdf
    • https://cdn.shopify.com/s/files/1/0438/2585/6669/files/mividuzuwesusom.pdf
    • https://cdn.shopify.com/s/files/1/0434/4214/3388/files/cardiopatias_congenitas_fisiopatologia.pdf
    • https://cdn.shopify.com/s/files/1/0428/0070/9791/files/muwusiwa.pdf
    • https://cdn.shopify.com/s/files/1/0435/8494/6333/files/fulujoxelifovakiduli.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/
    +3 more URL(s)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000060df.bin
e9f2f22b439eb3088b7f188ff1acb6c75c1afaceaf040bd181e5584efbe7649f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60DF 4828 bytes
font_01_sfnt_off00007162.bin
7235a8b67135f463aa53fbb03b584eedbd5e6a183bba16c8793c539e690ce23e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7162 14752 bytes

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