Malicious PDF — malware analysis report

Static analysis result for SHA-256 d017564cc538581a…

MALICIOUS

PDF

40.6 KB Created: 2020-08-23 13:03:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: be6d5eb4e1a99e41c7cf31f5f9b4dcad SHA-1: b02c6e11d88f781cf803a2f9c0ad39c215050e33 SHA-256: d017564cc538581a868d207eb15ebe724bd38c13550e3e47337023703c0625c8
128 Risk Score

Malware Insights

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

The PDF document contains a link that redirects to a malicious URL, disguised as a download for Adobe Photoshop. This is further supported by heuristics indicating a malicious redirector link and a link farm designed for SEO manipulation. The presence of a visual download button lure reinforces the social engineering aspect of this attack. No scripts were extracted from this sample.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=adobe+photoshop+7.+0+free++filehippo
    • http://razetix.artswithaheart.org/uploads/1/3/0/7/130776078/7c726b51664.pdf
    • http://files.wicksteadhorseplay.co.uk/uploads/1/3/0/8/130874284/6d9bea8a881902.pdf
    • http://rojululo.tessagoss.com/uploads/1/3/0/8/130874254/mivemugava.pdf
    • https://cdn.shopify.com/s/files/1/0438/2749/5072/files/hunger_games_book_1.pdf
    • https://cdn.shopify.com/s/files/1/0427/9717/0847/files/33691336650.pdf
    • https://cdn.shopify.com/s/files/1/0433/7437/9157/files/brownian_motion_and_stochastic_calculus.pdf
    • https://cdn.shopify.com/s/files/1/0440/6794/6648/files/gorinasulixaxisu.pdf
    • https://cdn.shopify.com/s/files/1/0431/4624/8358/files/mitato.pdf
    • https://cdn.shopify.com/s/files/1/0430/8038/4674/files/sejagiboluvomiso.pdf
    • https://cdn.shopify.com/s/files/1/0431/6548/3172/files/elaine_marieb_anatomy_and_physiology.pdf
    • https://cdn.shopify.com/s/files/1/0433/3928/4645/files/70739581065.pdf
    • https://cdn.shopify.com/s/files/1/0432/0837/6482/files/django_url_template_tag_get_parameters.pdf
    • https://cdn.shopify.com/s/files/1/0429/1415/2607/files/xofetuzoxebuzoxuwomap.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_off00005fd4.bin
6552472b7906b44f1894c718e57e43f1d927de50f0c48d20235e5c72abd1f053		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FD4 5300 bytes
font_01_sfnt_off000071e6.bin
0a0d32f2c93ae885d2e9276103f301dc778d336e6660debcbd2a563c2506a9a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71E6 10492 bytes

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