PDF malware analysis — malicious · bcc89ddd6caec04a

MALICIOUS

PDF

47.6 KB Created: 2020-08-07 03:14:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 52269cf404187e1e0dbc769ed4618b04 SHA-1: 57057222c049eb27aa67183ae05a1dcfa5a6ceed SHA-256: bcc89ddd6caec04a1cae878c1bcdb3fe1bddaf095ced03b63ed5afd31764f6e4

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector infrastructure at https://ttraff.com/pify?keyword=reading+skills+book+pdf. The document body, though heavily obfuscated, contains this URL and appears to be a lure related to reading skills books. The presence of multiple external links suggests a link farm or redirection strategy to obscure the final malicious destination. No scripts were extracted, but the primary attack vector is the malicious redirection.

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=reading+skills+book+pdf
- http://loxuxove.stjudeparishgobles.com/uploads/1/3/0/7/130776262/3df5af0793cfd4.pdf
- http://nasagid.monarayfineart.com/uploads/1/3/0/7/130775129/6897d.pdf
- http://files.rnativephotos.com/uploads/1/3/1/0/131070689/607ff9.pdf
- https://cdn.shopify.com/s/files/1/0433/2866/7816/files/76285415393.pdf
- https://cdn.shopify.com/s/files/1/0440/7430/3640/files/ansar_shaikh_book_list.pdf
- https://cdn.shopify.com/s/files/1/0431/0273/2448/files/sklearn_multilayer_perceptron.pdf
- https://cdn.shopify.com/s/files/1/0433/5897/8207/files/6035759068.pdf
- https://cdn.shopify.com/s/files/1/0432/0516/5216/files/54547920903.pdf
- https://cdn.shopify.com/s/files/1/0438/2969/0525/files/ordinal_numbers_in_words_1_100.pdf
- https://cdn.shopify.com/s/files/1/0434/6026/4096/files/capacitor_physics.pdf
- https://cdn.shopify.com/s/files/1/0431/5080/3099/files/10773425522.pdf
- https://cdn.shopify.com/s/files/1/0431/3654/9018/files/83635821058.pdf
- https://cdn.shopify.com/s/files/1/0429/5249/1159/files/25388817064.pdf
- https://cdn.shopify.com/s/files/1/0433/6268/0984/files/44608672185.pdf
- https://cdn.shopify.com/s/files/1/0437/8145/6023/files/47293643292.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00006f27.bin` `c235b147b204d98ea469617f3a4bf29146c9359b355258c9cdd376f73f2c1931`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F27	5032 bytes
`font_01_sfnt_off0000804c.bin` `3c56a4d80b117d9000fa88ff323b6d2548a8e2d7616c965cfa2f7f63045dc882`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x804C	10292 bytes
`font_02_sfnt_off0000a386.bin` `d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA386	4324 bytes

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