Malicious PDF — malware analysis report

Static analysis result for SHA-256 f334ff2bb8eb39f7…

MALICIOUS

PDF

63.5 KB Created: 2020-08-29 08:38:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 89e56547d153722eaba2e5e3adcd7ebd SHA-1: b70b902524e655a6fac542895fbb91398711f218 SHA-256: f334ff2bb8eb39f797ac7898a8e8a3aac935ae12cf02ec046240931c4a1bb27a
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many pointing to benign Shopify domains, but one critical link directs to a known malicious redirector at ttraff.ru. The document body, though heavily obfuscated, contains the target URL, suggesting a lure to a malicious site disguised as a Star Wars RPG character sheet. No scripts were extracted from this sample.

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.ru/wix?keyword=star+wars+rpg+character+sheet+pdf
    • https://cdn.shopify.com/s/files/1/0428/5222/1091/files/gabimateromiluxanoxaxilap.pdf
    • https://cdn.shopify.com/s/files/1/0437/2204/7637/files/anterior_cerebral_artery_stroke.pdf
    • https://cdn.shopify.com/s/files/1/0429/2935/6959/files/job_candidate_evaluation_form.pdf
    • https://cdn.shopify.com/s/files/1/0437/1664/0923/files/fejunuxizevomevazutup.pdf
    • https://cdn.shopify.com/s/files/1/0434/4925/4050/files/que_es_colostomia.pdf
    • https://cdn.shopify.com/s/files/1/0432/4245/5197/files/xodusomofepavuzavomuvepox.pdf
    • https://cdn.shopify.com/s/files/1/0427/5830/8006/files/70626202956.pdf
    • https://cdn.shopify.com/s/files/1/0433/3764/6245/files/los_pueblos_prerromanos_de_la_pennsula_ibrica.pdf
    • https://static.usrfiles.com/ugd/b8c837_16d781859c364d44bf916b5364f78662.pdf
    • https://static.usrfiles.com/ugd/b8c837_f78dec1a0373414491daf7d67e769be4.pdf
    • https://static.usrfiles.com/ugd/b8c837_a25d2ea2402347baa32c25210f26d2f1.pdf
    • https://static.usrfiles.com/ugd/b8c837_565168609c4a4eb0a34f5cbba75d37b6.pdf
    • https://static.usrfiles.com/ugd/b8c837_d1d7f7b7a9fa4410bb39b8d6906269d2.pdf
    • https://static.usrfiles.com/ugd/b8c837_ee0f358b04a9480d818a34294fcb97e5.pdf
    • https://static.usrfiles.com/ugd/b8c837_182fe6f271aa45109f0ab0f504532aa5.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000adbb.bin
108199a4544b360a496eed65340e03e66fa9629c897dfef94b200ef704c81681		 pdf-font-stream PDF embedded font (sfnt) at offset 0xADBB 5104 bytes
font_01_sfnt_off0000bf30.bin
d74997236679f5492854cd1a796cfcce018350656a895e5a4f6bd792c5365594		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBF30 10384 bytes
font_02_sfnt_off0000e27c.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE27C 4324 bytes

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