Malicious PDF — malware analysis report

Static analysis result for SHA-256 363189d0abf4d356…

MALICIOUS

PDF

56.9 KB Created: 2020-08-09 02:14:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6277ecb0264b511e432d62aa25ea0974 SHA-1: 5830dd35b53b70ed8e1c8b091c35b73ea91d197d SHA-256: 363189d0abf4d35635f5310a3467c0adfc1b2b2bde8d36adba67f897702609c0
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=abilify+maintena+package+insert+pdf'. This URL is embedded within the document's body text, disguised as a legitimate package insert. The PDF also exhibits characteristics of a link farm, with numerous external links, including one to 'https://cdn.shopify.com/s/files/1/0433/9495/7466/files/44867498721.pdf', suggesting a broader distribution or SEO-poisoning tactic.

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=abilify+maintena+package+insert+pdf
    • http://files.ehs-manning.net/uploads/1/3/1/3/131398424/zowuj_lajen_gamedaf_vavuxinu.pdf
    • http://files.solez4real.net/uploads/1/3/2/6/132683168/3051367.pdf
    • http://files.kitchengarten.net/uploads/1/3/1/6/131636903/2877505.pdf
    • http://files.connectingalbertcounty.org/uploads/1/3/1/8/131856173/3c9947783c17a2.pdf
    • http://nerog.musabalderamos.com/uploads/1/3/0/8/130873826/sulok_pekabare_sekekujul.pdf
    • https://cdn.shopify.com/s/files/1/0433/9495/7466/files/44867498721.pdf
    • https://cdn.shopify.com/s/files/1/0429/8624/2209/files/xoxozibubifeponaxarerej.pdf
    • https://cdn.shopify.com/s/files/1/0434/8719/9394/files/adverbial_phrases_examples.pdf
    • https://cdn.shopify.com/s/files/1/0433/7762/3194/files/nebadepigopemadib.pdf
    • https://cdn.shopify.com/s/files/1/0432/1941/9291/files/74563678399.pdf
    • https://cdn.shopify.com/s/files/1/0431/2691/5239/files/43050857027.pdf
    • https://cdn.shopify.com/s/files/1/0431/8851/9074/files/refer_annexure_e1.pdf
    • https://cdn.shopify.com/s/files/1/0430/1104/7575/files/gemaxavikuvijaviwix.pdf
    • https://cdn.shopify.com/s/files/1/0429/1349/7247/files/ns_os_arcturianos.pdf
    • https://cdn.shopify.com/s/files/1/0429/7365/9290/files/65445815943.pdf
    • https://cdn.shopify.com/s/files/1/0431/5562/0006/files/guvodovonenafode.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_off00009e55.bin
e219bc81c43094559422347a1b2223264d62ffac11f160af8b70af9d70933b19		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9E55 5768 bytes
font_01_sfnt_off0000b1ee.bin
b98cf5c542b6b79bae9b61eeb265509225a4cf91ff4c77349cde6a9317511bc5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB1EE 10564 bytes

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