PDF malware analysis — malicious · 54917e63c44c281c

MALICIOUS

PDF

63.3 KB Created: 2020-09-01 10:04:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a7ee4429774b229e5d040f7e30018918 SHA-1: 2c6b520c3dbaa1f3b4dfc63a053b26a1eb316417 SHA-256: 54917e63c44c281c32c1789c53c967f306b7b974996b0abdef81d5604549e1bd

136 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a lure for a 'simple cash flow statement template excel' and includes a critical heuristic firing for a malicious redirector link pointing to ttraff.com. Another critical heuristic indicates a PDF link farm, suggesting a broad distribution effort. The document body, though heavily obfuscated, contains the same lure text and the malicious URL, reinforcing the phishing attempt.

Heuristics 5

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.
Fake invoice / payment lure low SE_INVOICE_LURE

Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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=simple+cash+flow+statement+template+excel
- https://static.usrfiles.com/ugd/e4ff69_59acd45a53434556803d301fd2c003af.pdf
- https://static.usrfiles.com/ugd/12f4eb_59e9db825b414a8289c9be0d16c5f923.pdf
- https://static.usrfiles.com/ugd/97493d_9dd0a02004eb434bbda1ce0bb7036d6a.pdf
- https://cdn.shopify.com/s/files/1/0438/0898/1153/files/kiperewufogesiditero.pdf
- https://cdn.shopify.com/s/files/1/0435/1839/4523/files/11725676228.pdf
- https://cdn.shopify.com/s/files/1/0427/6997/3415/files/gk_power_capsule_2020.pdf
- https://static.usrfiles.com/ugd/d43733_1f74ae8696ef48088edebebda7a471b5.pdf
- https://static.usrfiles.com/ugd/e5412a_2ef730b99356435f8d2afd289e0b4523.pdf
- https://static.usrfiles.com/ugd/1cc7e8_f1128540c15049e8bda2fceff3ce5302.pdf
- https://static.usrfiles.com/ugd/895bef_04f82d5e7f86413486409f841816eab1.pdf
- https://static.usrfiles.com/ugd/6350c7_6e00e4b913524a5d956fcaf9c04ee274.pdf
- https://static.usrfiles.com/ugd/b8c837_b9dcbb7440464f94805d8184ef6f772f.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_off0000b0c7.bin` `a17885b4fd577e0298a64705d5055d2ac7c2363fd7008e9cf236b3df412a17d8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB0C7	2828 bytes
`font_01_sfnt_off0000bac1.bin` `47ee40b4343121c9f62357a429ccae5a8d85265ad2ee31fbb716267d03d0a2e3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBAC1	5424 bytes
`font_02_sfnt_off0000cd26.bin` `521bc3feabe1b860031351f886a677c4fab8773bc3c9919b95289b95e74e8e22`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCD26	10076 bytes

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