Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1467dd05f9de04b…

MALICIOUS

PDF

40.3 KB Created: 2020-09-20 03:00:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 099c6dcd46311e23da6ffd399615ede5 SHA-1: 38b4354af0acfcb61db0ef5e3c03cab428929bfd SHA-256: e1467dd05f9de04b6fb6993c9cda9203ad46669c71dc4b687511c8c00826b325
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in

The PDF contains numerous embedded links, with critical heuristics identifying it as a malicious redirector and a link farm. The document body, though heavily obfuscated, contains text related to 'quit claim deed georgia pdf' and includes URLs that are part of a link farm strategy. The primary malicious URL identified is https://ttraff.link/wix?keyword=quit+claim+deed+georgia+pdf, which likely serves as a redirector to further malicious content.

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.link/wix?keyword=quit+claim+deed+georgia+pdf
    • http://files.joannacookeart.com/uploads/1/3/2/6/132682768/nisivuxisimefas.pdf
    • http://libeso.quiltsbyjudieatcreekside.com/uploads/1/3/1/6/131606228/2cd01b719.pdf
    • http://dakifuto.charlarae.com/uploads/1/3/0/9/130968961/00d1fb8f6e33.pdf
    • https://cdn.shopify.com/s/files/1/0431/2439/2093/files/dulces_mentiras_amargas_verdades_revelaciones.pdf
    • https://cdn.shopify.com/s/files/1/0432/7315/8821/files/zoosk_unlocked_apk.pdf
    • https://cdn.shopify.com/s/files/1/0440/7597/4821/files/copaxone_dosage_forms.pdf
    • https://cdn.shopify.com/s/files/1/0430/6829/3287/files/domixozikezi.pdf
    • https://cdn.shopify.com/s/files/1/0430/8231/7975/files/40149334680.pdf
    • https://cdn.shopify.com/s/files/1/0433/8050/6773/files/tojaxobegi.pdf
    • https://cdn.shopify.com/s/files/1/0429/1746/2182/files/98168750099.pdf
    • https://469da98f-82da-46b5-8eb3-15292bc281c6.filesusr.com/ugd/3fd21f_a7b8ce3807154928ace64958351a8143.pdf?index=true
    • https://787334b6-2d26-478f-b165-34993c9fea75.filesusr.com/ugd/e481ce_e19a281534c047729854743e697a098e.pdf?index=true
    • https://7e7d291c-1af5-4510-be1a-78daaf9436a5.filesusr.com/ugd/3db607_05f7b0633da54e669deb7d80f53c7cd2.pdf?index=true
    • 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_off0000608f.bin
8831dd83bb9efe198c19af467d647ceb5286d6603f2fb62626d74f947b850311
pdf-font-stream PDF embedded font (sfnt) at offset 0x608F 5356 bytes
font_01_sfnt_off000072b1.bin
7eba42be38aa0bbc1b7ee073219437d8d549f99a5030da82f7d9d259640f8779
pdf-font-stream PDF embedded font (sfnt) at offset 0x72B1 9868 bytes