PDF malware analysis — malicious · a44882c8b6b417b7

MALICIOUS

PDF

41.5 KB Created: 2020-08-30 11:46:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4ee5a05f4c1d73776e207601b846f451 SHA-1: dac5eaf08057c5fa204206082e5b2c86343846e4 SHA-256: a44882c8b6b417b75a37b144a67c7755523dc0a7ef46904813fa7df7254e16cc

160 Risk Score

Malware Insights

MITRE ATT&CK

T1059.003 Windows Command Shell T1204.002 Malicious Link

The PDF contains a lure instructing the user to copy and paste content into a shell, which is a common technique for executing malicious commands. It also contains numerous links, with one pointing to a known malicious redirector at 'ttraff.com'. The document's structure suggests it's part of a link farm designed for SEO poisoning to attract unsuspecting users.

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.
Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE

Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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/wix?keyword=reference+angle+worksheet+degrees
- https://static.usrfiles.com/ugd/6116da_10536d500a8844faba85a31b1ac3bc8b.pdf
- https://static.usrfiles.com/ugd/b8c837_43b32f75796e4adf963f618a62133f53.pdf
- https://static.usrfiles.com/ugd/b8c837_29d012bf2c4844658994e1a5db8f2014.pdf
- https://static.usrfiles.com/ugd/08fe48_8c08351383744809848f165c159215fa.pdf
- https://static.usrfiles.com/ugd/b8c837_5bee09a4693b4a918a656957d88435fe.pdf
- https://cdn.shopify.com/s/files/1/0435/3146/8951/files/24294002125.pdf
- https://cdn.shopify.com/s/files/1/0438/7766/2875/files/10_commandments_of_computer_ethics.pdf
- https://cdn.shopify.com/s/files/1/0429/0750/0711/files/wowirakorubevumumin.pdf
- https://static.usrfiles.com/ugd/b8c837_139045fa44014a24ac06e59f8c364058.pdf
- https://static.usrfiles.com/ugd/c1108c_7b1100541e5e493dab864a928945a9bc.pdf
- https://static.usrfiles.com/ugd/2e4eb4_36ab7ecbf3da4320bffdcc198c648e41.pdf
- https://static.usrfiles.com/ugd/c5d40f_fabc2f7da1cd45e885c1a7878970dcb4.pdf
- https://static.usrfiles.com/ugd/b8c837_0dc2bb375e19499ba24623f6837afb66.pdf
- https://cdn.shopify.com/s/files/1/0435/8995/9839/files/veronaripiratibipivuj.pdf
- https://cdn.shopify.com/s/files/1/0438/9168/7579/files/molality_sample_problems_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0429/3502/5831/files/alif_novel_episode_13.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_off000062fc.bin` `3470af47b4a34440a11c62d8fdef6eb8e49c0ed8a7f5519d67e7e3be1efeb809`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62FC	5444 bytes
`font_01_sfnt_off0000758d.bin` `248be40c32d46d40e6254bdefc96505698cb8765e33087d2aac0e4e6443cdc10`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x758D	10332 bytes

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