PDF malware analysis — malicious · f0eaa3c7434dd109

MALICIOUS

PDF

47.5 KB Created: 2020-09-01 00:41:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a72beb9f1ec9124efc5c9d36369be25c SHA-1: 1c22958a091d221fbdd2d0cdd2cf1f466b4074b3 SHA-256: f0eaa3c7434dd109d4a279d95bb0338d8f175c008deda84f61113c1c04f64680

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass of external links, with one prominent link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure related to 'Emulator ds3 android' and includes the malicious URL. This indicates the document's primary purpose is to redirect users to malicious infrastructure.

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.cc/wix?keyword=emulator+ds3+android
- https://static.usrfiles.com/ugd/b5472a_fa3b054a9cf549ac840712edcde310e4.pdf
- https://static.usrfiles.com/ugd/ac72e0_72b08254e8ce451abb57db02325b6e5e.pdf
- https://static.usrfiles.com/ugd/b8c837_c2d11ba8215d4f77a198bde4d589db48.pdf
- https://static.usrfiles.com/ugd/191a6d_68198cbce1e2461688d313d629a31ed2.pdf
- https://static.usrfiles.com/ugd/3f0e57_bcdd1977c78c48818f03b4bfc55faf96.pdf
- https://static.usrfiles.com/ugd/902d29_7175e0cbcce848529727f4016350d5b8.pdf
- https://static.usrfiles.com/ugd/b8c837_2de0a9dc2c264526926d7851542ac9a4.pdf
- https://static.usrfiles.com/ugd/dfb5f8_9159300bc3c349bd900fcd23eef25b1c.pdf
- https://static.usrfiles.com/ugd/d9d1f5_e388d2031e814dd9a2e86f264e000eda.pdf
- https://cdn.shopify.com/s/files/1/0433/5714/3199/files/avengers_damage_control_teaser.pdf
- https://cdn.shopify.com/s/files/1/0427/7665/8087/files/35231785955.pdf
- https://cdn.shopify.com/s/files/1/0440/0067/3950/files/jacksonville_jaguars_injury_report_week_6.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61411835552.pdf
- https://cdn.shopify.com/s/files/1/0432/1538/8840/files/52370196395.pdf
- https://cdn.shopify.com/s/files/1/0440/6591/5032/files/rihanna_birthday_cake.pdf
- https://cdn.shopify.com/s/files/1/0433/1683/8558/files/30585460594.pdf
- https://cdn.shopify.com/s/files/1/0462/7621/4944/files/autohotkey_free_for_pc.pdf
- https://cdn.shopify.com/s/files/1/0431/0846/6845/files/84131564619.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_off000077eb.bin` `10627cefdd775f98a44bf3933b46afe7795806049d7aaf33c5ba4af0636cd53d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x77EB	5092 bytes
`font_01_sfnt_off00008921.bin` `9617e547fd9cf92e1fdfbca49fa5be15b1c7be1081e73738c31783633c499f4f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8921	12432 bytes

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