Malicious PDF — malware analysis report

Static analysis result for SHA-256 58d2e6e1933321c3…

MALICIOUS

PDF

43.2 KB Created: 2020-08-12 04:48:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 565f985397d13dd82e8f5e20aecbd4d0 SHA-1: a10fc5c3fd68d5879c11c0566fefed2ad5cc071f SHA-256: 58d2e6e1933321c3616de32be8d58568b090ebc7096a346dac74ee95a1a194e8
128 Risk Score

Malware Insights

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

The PDF contains a lure for free palmistry books, which is a common tactic for phishing and malware distribution. It links to a known malicious redirector at 'ttraff.com', indicating an attempt to lead the user to malicious content. The PDF also hosts a large number of links to other PDFs, likely for SEO manipulation to improve search engine ranking for malicious content. 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.com/pify?keyword=urdu+palmistry+books+pdf+free+download
    • http://files.angelicinfusionart.com/uploads/1/3/0/7/130739227/237b748f87.pdf
    • http://files.olympiatitanbands.org/uploads/1/3/1/0/131070009/jusufagex.pdf
    • http://files.mossgardennursery.com/uploads/1/3/1/3/131379183/sifisarepazodu.pdf
    • http://files.catmintcottagestreetcatrescue.com.au/uploads/1/3/1/4/131437172/2360728.pdf
    • http://files.sistersukie.com/uploads/1/3/0/8/130874433/976643.pdf
    • https://cdn.shopify.com/s/files/1/0430/1615/9381/files/44643371784.pdf
    • https://cdn.shopify.com/s/files/1/0432/8102/3132/files/62774053703.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fufabolip.pdf
    • https://cdn.shopify.com/s/files/1/0429/0589/5075/files/20735292197.pdf
    • https://cdn.shopify.com/s/files/1/0436/0405/0084/files/polarity_of_a_molecule.pdf
    • https://cdn.shopify.com/s/files/1/0430/6888/3098/files/vigawokurekubere.pdf
    • https://cdn.shopify.com/s/files/1/0428/3029/9292/files/maluxeti.pdf
    • https://cdn.shopify.com/s/files/1/0454/2945/7064/files/biology_10th_class_book_download.pdf
    • https://cdn.shopify.com/s/files/1/0435/4169/2567/files/galodun.pdf
    • https://cdn.shopify.com/s/files/1/0429/8221/1735/files/3660424713.pdf
    • https://cdn.shopify.com/s/files/1/0430/3755/6889/files/69117006830.pdf
    • https://cdn.shopify.com/s/files/1/0437/2683/1784/files/jalet.pdf
    • https://cdn.shopify.com/s/files/1/0431/0702/5056/files/memusugefupe.pdf
    • https://cdn.shopify.com/s/files/1/0432/2639/8888/files/autocad_all_commands_in.pdf
    • https://cdn.shopify.com/s/files/1/0427/6004/4710/files/33062779194.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_off00004c75.bin
72113ad4a125806da8df30a1443065e72794d93d90b68a361206b04d910b2dd9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4C75 5576 bytes
font_01_sfnt_off00005f6a.bin
7620241dfd4d5af01eef4a143b111f9de53283febc53bc9a85d3984ff9b4704d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F6A 9580 bytes
font_02_sfnt_off00008069.bin
1b0335d0ba4cec4a6f02a0379de0b68bc1e76ee3cb44eaed4aac47acbd95d331		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8069 18484 bytes

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