PDF malware analysis — malicious · fecc9703853a5b3a

MALICIOUS

PDF

104.0 KB Created: 2020-08-07 12:57:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c35b20d025ff0f22a80e4dfd849575e7 SHA-1: b591805223373ec1fcfb6d37e96fe2f2da24b83c SHA-256: fecc9703853a5b3aa8a1d2d83e76efe2a011ae8b667c63fea05ffdd530444b67

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text that appears to be a lure for 'Marvel characters list pdf'. This link is likely intended to redirect the user to a malicious site or download further malware. The PDF also contains a large number of external links, many pointing to Shopify domains, which is indicative of a link farm used for SEO poisoning or to obscure the final malicious destination.

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.com/pify?keyword=marvel+characters+list+pdf
- http://files.delislechiropractic.com/uploads/1/3/1/4/131437778/fufigonaxamidupezot.pdf
- http://files.redwhiteandbluecharity.org/uploads/1/3/1/3/131382032/e48acc1673.pdf
- http://vodimugi.haganprints.net/uploads/1/3/2/7/132710621/3743612.pdf
- http://files.gowoonlee.com/uploads/1/3/0/8/130874634/4573464.pdf
- https://cdn.shopify.com/s/files/1/0431/3694/2234/files/introduction_to_genetic_analysis_9th_edition.pdf
- https://cdn.shopify.com/s/files/1/0435/2317/8656/files/bailey_love_s_short_practice_of_surgery_free_download.pdf
- https://cdn.shopify.com/s/files/1/0428/4055/5676/files/gufonojumugiwidab.pdf
- https://cdn.shopify.com/s/files/1/0431/2216/3876/files/31543944611.pdf
- https://cdn.shopify.com/s/files/1/0432/3108/4708/files/zizofu.pdf
- https://cdn.shopify.com/s/files/1/0433/4272/5275/files/jacky_cheung_you_tube.pdf
- https://cdn.shopify.com/s/files/1/0434/1976/2840/files/gupakovesur.pdf
- https://cdn.shopify.com/s/files/1/0429/8607/8369/files/open_bdb_file.pdf
- https://cdn.shopify.com/s/files/1/0434/7068/4317/files/pusajuxaxupab.pdf
- https://cdn.shopify.com/s/files/1/0431/6761/3089/files/45456658475.pdf
- https://cdn.shopify.com/s/files/1/0437/8561/7570/files/murasorofazejiko.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_off000150fa.bin` `248f87b5c69d2c67ae45e0e2ce43a70226481aa31b90b697767049c8f0f0bddb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x150FA	5308 bytes
`font_01_sfnt_off00016315.bin` `f956501d7e8a07e2c6155a1c59e6974ba0c69c0022dd3f879beb552682167c7d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x16315	15400 bytes

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