Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b3f4a121a69b2bb…

MALICIOUS

PDF

34.5 KB Created: 2020-08-12 11:55:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6976f273957746f99ad599f7e51a4477 SHA-1: 35c00e00ad091ad9834522c0b8bcf5e5575baf73 SHA-256: 1b3f4a121a69b2bb3358fe817d5d22c8d87f7c13669e9828f223838ab92bba3a
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass of external links, including a critical link to a known malicious redirector at ttraff.com. The document body, though heavily corrupted, contains text related to a 'construction business plan' and the malicious URL, suggesting a lure to trick users into clicking the malicious link. The presence of numerous benign-looking Shopify links is likely an attempt to camouflage the malicious redirector among legitimate content.

Heuristics 3

  • 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.
  • 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=completed+construction+business+plan+pdf
    • http://files.jacwellness.com/uploads/1/3/1/3/131380297/serima.pdf
    • http://nazajide.hlacupuncture.com/uploads/1/3/2/6/132681352/3470613.pdf
    • http://files.jinntonic.com/uploads/1/3/0/8/130874055/9090856.pdf
    • https://cdn.shopify.com/s/files/1/0436/4402/7038/files/multivariable_calculus_larson.pdf
    • https://cdn.shopify.com/s/files/1/0430/0357/6481/files/oxford_dictionary_of_synonyms_and_antonyms_download.pdf
    • https://cdn.shopify.com/s/files/1/0429/7805/0211/files/interviewing_skills_training_for_managers.pdf
    • https://cdn.shopify.com/s/files/1/0437/1136/5288/files/15793012526.pdf
    • https://cdn.shopify.com/s/files/1/0439/4831/0683/files/surface_area_of_triangular_prism_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0438/9139/2664/files/los_anunnaki.pdf
    • https://cdn.shopify.com/s/files/1/0434/2897/0652/files/wild_animals_name_list_with_picture.pdf
    • https://cdn.shopify.com/s/files/1/0427/4647/8759/files/62267580871.pdf
    • https://cdn.shopify.com/s/files/1/0437/2204/7638/files/bubosizotineso.pdf
    • https://cdn.shopify.com/s/files/1/0440/3943/8501/files/7175576950.pdf
    • https://cdn.shopify.com/s/files/1/0427/4031/8375/files/pawubedopozebabukele.pdf
    • https://cdn.shopify.com/s/files/1/0429/1277/6351/files/ripunoxufipedavux.pdf
    • https://cdn.shopify.com/s/files/1/0433/4954/1013/files/arab_health_2020_exhibitors_list.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_off00004978.bin
6b70e5363f995f940b800767a424fc98c3478910337a150a7530cd4b76ee7fdd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4978 5344 bytes
font_01_sfnt_off00005b80.bin
e509491876e819378afb34ebb3dec8c0aca5430a6561491fed6b3c950decff0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B80 9792 bytes

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