PDF malware analysis — malicious · 4ad7ed4c9549bdb0

MALICIOUS

PDF

64.8 KB Created: 2020-08-03 17:26:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 77ffc951e8d04e6ad2b3e49a3dcccd3e SHA-1: 54aa47145e3a984fcea56b62fc539e677e1e128f SHA-256: 4ad7ed4c9549bdb046306967323c63c4fe0f7ef5da66afaf4793e31c3b4af509

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1200 Hardware Add-in Systems

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure via the URL https://ttraff.com/pify?keyword=o+reilly+advanced+python+programming.+pdf. This suggests the document is designed to redirect users to malicious sites, likely for phishing or malware distribution.

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.com/pify?keyword=o+reilly+advanced+python+programming.+pdf
- http://files.pacificfinishes.com/uploads/1/3/1/3/131380107/fiwasujawewod_rugimova_rameviwep_katasarufi.pdf
- http://files.phoebesmithceramics.com/uploads/1/3/0/7/130776852/5924525.pdf
- http://files.icanondemand.com/uploads/1/3/1/3/131379639/172adce8e84.pdf
- http://files.meccakorea.com/uploads/1/3/0/9/130970023/3977601.pdf
- https://cdn.shopify.com/s/files/1/0430/3467/3301/files/10751129738.pdf
- https://cdn.shopify.com/s/files/1/0432/0532/9064/files/21888282719.pdf
- https://cdn.shopify.com/s/files/1/0439/4788/4699/files/64755415132.pdf
- https://cdn.shopify.com/s/files/1/0433/8273/5006/files/rumus_baxter_anak_pdf.pdf
- https://cdn.shopify.com/s/files/1/0433/2906/1014/files/30420561883.pdf
- https://cdn.shopify.com/s/files/1/0431/7564/1247/files/gekegarijoki.pdf
- https://cdn.shopify.com/s/files/1/0427/9864/5404/files/how_to_compress_a_file.pdf
- https://cdn.shopify.com/s/files/1/0430/5806/9655/files/74655349960.pdf
- https://cdn.shopify.com/s/files/1/0428/2561/3468/files/ziragu.pdf
- https://cdn.shopify.com/s/files/1/0432/2980/6759/files/20444979539.pdf
- https://cdn.shopify.com/s/files/1/0434/1497/8718/files/mewonewabolafugeme.pdf
- https://cdn.shopify.com/s/files/1/0431/4864/0418/files/71121046649.pdf
- https://cdn.shopify.com/s/files/1/0433/5989/5717/files/wezevisivixetagudabe.pdf
- https://cdn.shopify.com/s/files/1/0432/0477/2000/files/denatejuk.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.

Filename	Kind	Source	Size
`font_00_sfnt_off0000c09c.bin` `40ce19d076d061f89c5ba62de69023f4446bf7a023f7993aa85c7c79e801794f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC09C	5612 bytes
`font_01_sfnt_off0000d3a8.bin` `eac1ea7a58ea2da155899b4e6416b8924f8e860e4d6e503e807a03a3df8cb22f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD3A8	10096 bytes

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