PDF malware analysis — malicious · 32978825ab0d216b

MALICIOUS

PDF

49.3 KB Created: 2020-07-30 03:48:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: bf8bfd379c73913665816e1b1ada2886 SHA-1: 9fbb14cca9d15247fc252b29a3050ee58f1923f0 SHA-256: 32978825ab0d216ba7777c09a9743155e876b051797ca5cf297ee563eaf94ba0

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. It also exhibits characteristics of a PDF link farm, with numerous external links, including one to 'cdn.shopify.com'. The document body, though heavily obfuscated, contains references to 'Swing trading pdf free', suggesting a lure to entice users to click the malicious link.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=swing+trading+pdf+free
- http://files.michaelmackinomara.com/uploads/1/3/1/4/131454719/2156490.pdf
- http://files.hickmanfootball.com/uploads/1/3/0/7/130776788/kamubumul-dobozokowobiz.pdf
- http://files.desertmoose.net/uploads/1/3/1/8/131871740/padetuxifanoza-pakixo-pawoloxipapik-vupija.pdf
- http://files.conceptarianworx.org/uploads/1/3/2/8/132814086/7249662.pdf
- http://files.cakesandcruffles.com/uploads/1/3/1/8/131857465/4564220.pdf
- https://cdn.shopify.com/s/files/1/0427/3831/9527/files/dezefanavevekofomusiwo.pdf
- https://cdn.shopify.com/s/files/1/0430/0275/7281/files/78502725217.pdf
- https://cdn.shopify.com/s/files/1/0441/0369/6536/files/lesonewemo.pdf
- https://cdn.shopify.com/s/files/1/0433/7205/2634/files/tewuzugimadiwevopofavi.pdf
- https://cdn.shopify.com/s/files/1/0439/1819/6891/files/54295168265.pdf
- https://cdn.shopify.com/s/files/1/0429/4141/5587/files/buzorurovuwufajimarex.pdf
- https://cdn.shopify.com/s/files/1/0438/2310/4162/files/88306330135.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zadolodiwifunum.pdf
- https://cdn.shopify.com/s/files/1/0432/6454/0835/files/35691614888.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vaxopegi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/44411244229.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/92161478626.pdf
- https://cdn.shopify.com/s/files/1/0432/8115/4198/files/97134809132.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_off000083c9.bin` `dcd438ac1245311cdb7746885b564dac13c688dc6582b0801e0fb87215c6c5a0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83C9	4872 bytes
`font_01_sfnt_off0000946d.bin` `822e62aba552113ad8037005c2540955b1e3c9cb39477218f2ca8eeb5456b42c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x946D	10296 bytes

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