PDF malware analysis — malicious · 2c48443e7e2c77be

MALICIOUS

PDF

48.6 KB Created: 2020-08-10 06:55:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9438824cfc5d64e60a0516131a7a4bd1 SHA-1: 612afc17e3d7c8778bf4c3732e6005b0ca1d00b3 SHA-256: 2c48443e7e2c77bedeeaa20e5faccd8c226a1cbbaa40dd6f6ca1502144e28377

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm designed to appear as legitimate search results, with the primary malicious link redirecting to "https://ttraff.com/pify?keyword=sample+abstract+reasoning+test+with+answers+pdf". This indicates a social engineering attempt to trick users into downloading further malicious content. The document body itself is heavily obfuscated but contains the malicious URL, reinforcing the lure.

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=sample+abstract+reasoning+test+with+answers+pdf
- http://files.sevahealingarts.com/uploads/1/3/0/8/130873876/mirugotogori-lumokibomabixi-fazesuzaj-zunosuro.pdf
- http://files.oujiunyou.com/uploads/1/3/0/8/130874633/zijujesidekos-zabulevusitedet-nobedabuxani.pdf
- http://foxexaxo.chunkyharmonies.com/uploads/1/3/0/8/130813528/wuniduvi.pdf
- https://cdn.shopify.com/s/files/1/0430/9218/1153/files/19969309436.pdf
- https://cdn.shopify.com/s/files/1/0428/8764/3302/files/kabomafukijonugutotu.pdf
- https://cdn.shopify.com/s/files/1/0431/0663/1833/files/dizionario_dialetto_bresciano.pdf
- https://cdn.shopify.com/s/files/1/0437/2476/7400/files/acca_f9_revision_notes.pdf
- https://cdn.shopify.com/s/files/1/0430/8969/0773/files/55659239214.pdf
- https://cdn.shopify.com/s/files/1/0431/3638/5175/files/78349120976.pdf
- https://cdn.shopify.com/s/files/1/0428/9373/8143/files/58855233636.pdf
- https://cdn.shopify.com/s/files/1/0433/0127/3750/files/gta_5_xbox_360_cheats.pdf
- https://cdn.shopify.com/s/files/1/0434/5793/7561/files/52001885411.pdf
- https://cdn.shopify.com/s/files/1/0440/6021/3398/files/wodawuf.pdf
- https://cdn.shopify.com/s/files/1/0433/3908/8027/files/arutunian_trumpet_concerto_piano.pdf
- https://cdn.shopify.com/s/files/1/0427/8019/7031/files/zijazokojomujasi.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_off00007099.bin` `c6e9689e5ee2ec197318bf3e27e644f0db08d5b80b163c17d37c503453f7b235`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7099	5692 bytes
`font_01_sfnt_off000083c4.bin` `6a5abf72b97be590afa50841cd101a5cc40125f3dac6da484eae07ea1c02d047`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83C4	10428 bytes
`font_02_sfnt_off0000a720.bin` `d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA720	4324 bytes

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