Malicious PDF — malware analysis report

Static analysis result for SHA-256 dad679c5af4879e4…

MALICIOUS

PDF

68.9 KB Created: 2020-08-07 18:51:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3e4134eaf1cbfaaa7d70d1444fe65835 SHA-1: be46087e1c2d595cba2937177a394b026dc9e563 SHA-256: dad679c5af4879e4486ea41ad231681d2725f910639ed456da606524914e3acb
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.cc/pify?keyword=andariki+ayurvedam+telugu+book+pdf'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. The PDF also exhibits characteristics of a link farm, suggesting an attempt to manipulate search engine results for the embedded book title. No scripts were extracted, but the presence of a malicious redirector URL is a strong indicator of a phishing or malware delivery attempt.

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.cc/pify?keyword=andariki+ayurvedam+telugu+book+pdf
    • http://luzarami.christinabooth.com/uploads/1/3/0/8/130813834/ridojalom.pdf
    • http://japologit.bestdreamlife.com/uploads/1/3/1/6/131606349/5774310.pdf
    • http://files.jlraskin.net/uploads/1/3/1/8/131871849/rukim.pdf
    • https://cdn.shopify.com/s/files/1/0431/7829/5450/files/68817498873.pdf
    • https://cdn.shopify.com/s/files/1/0431/0761/4882/files/kisozitosa.pdf
    • https://cdn.shopify.com/s/files/1/0433/7700/0611/files/aprender_italiano_descargar_gratis.pdf
    • https://cdn.shopify.com/s/files/1/0430/9660/4825/files/bilanzen_erstellen_und_lesen_fr_dummies.pdf
    • https://cdn.shopify.com/s/files/1/0440/5071/0693/files/zumefifuzuvajej.pdf
    • https://cdn.shopify.com/s/files/1/0438/0455/7469/files/48917242276.pdf
    • https://cdn.shopify.com/s/files/1/0428/0057/8723/files/oxford_handbook_of_clinical_medicine_10th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0433/4305/2953/files/11755979817.pdf
    • https://cdn.shopify.com/s/files/1/0432/1103/0690/files/is_morphvox_pro_free.pdf
    • https://cdn.shopify.com/s/files/1/0431/1079/3370/files/debeko.pdf
    • https://cdn.shopify.com/s/files/1/0430/4646/9793/files/49461001007.pdf
    • https://cdn.shopify.com/s/files/1/0430/1619/2153/files/86164099131.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009885.bin
af131b8124965b7285df3a2a5b0aff0b196284e24c32249ae9f7f4a148d7b8d1
pdf-font-stream PDF embedded font (sfnt) at offset 0x9885 5540 bytes
font_01_sfnt_off0000ab5b.bin
1c1133e22dd8ba24e3fa62cfb3dea5d61dcb20afbdcb16e683d75b7f680abe15
pdf-font-stream PDF embedded font (sfnt) at offset 0xAB5B 13720 bytes
font_02_sfnt_off0000cf04.bin
6edd2dc65f8cc0d4bfc465674af3a6957927c9580e196fa1f2ecab0bfce717d7
pdf-font-stream PDF embedded font (sfnt) at offset 0xCF04 2024 bytes
font_03_sfnt_off0000d89b.bin
37f745725c833421b82abe4116bd39c715deaf4205600eaf59a1a691651e30d9
pdf-font-stream PDF embedded font (sfnt) at offset 0xD89B 14400 bytes