PDF malware analysis — malicious · b3d4d06326abb955

MALICIOUS

PDF

102.7 KB Created: 2020-08-10 12:48:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 41351506295cb78d1100eb3f13ce61ea SHA-1: ef62751c30f8e178ca5e8bec144f6c0d9d029d86 SHA-256: b3d4d06326abb95587fc6ac2fef510585f77bea734b96ba054c9703ec7c7f6f9

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=acordes+bemoles+guitarra+pdf'. This URL is presented within the document body, suggesting a phishing or scam attempt. The file also exhibits characteristics of a link farm, with numerous external PDF links, many hosted on Shopify. The document body itself is heavily obfuscated but contains the target URL, reinforcing the malicious intent.

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/pify?keyword=acordes+bemoles+guitarra+pdf
- http://files.birdvillemarchingfestival.com/uploads/1/3/1/4/131453193/jivolobusoj-nimebapedez-wususiwaduwazot-zudem.pdf
- http://files.dreadfullocksct.com/uploads/1/3/0/7/130739769/xoxexulaba.pdf
- http://files.beamwellness.org/uploads/1/3/1/4/131407424/rimojutekugap.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/23083433767.pdf
- https://cdn.shopify.com/s/files/1/0437/4121/6917/files/r4_card_for_ds.pdf
- https://cdn.shopify.com/s/files/1/0435/9330/2178/files/19113439799.pdf
- https://cdn.shopify.com/s/files/1/0430/2562/9347/files/classic_shaman_leveling_guide.pdf
- https://cdn.shopify.com/s/files/1/0435/2072/1055/files/rujuramofit.pdf
- https://cdn.shopify.com/s/files/1/0430/8035/1897/files/1640366573.pdf
- https://cdn.shopify.com/s/files/1/0435/4061/1226/files/44201137891.pdf
- https://cdn.shopify.com/s/files/1/0436/9183/5545/files/java_download_oracle.pdf
- https://cdn.shopify.com/s/files/1/0440/8439/6184/files/punctuation_and_capitalization_test_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0432/8436/5476/files/85676544856.pdf
- https://cdn.shopify.com/s/files/1/0430/5652/9565/files/rozodazipuzesabador.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/
- https://cdn.shopify.com/s/files/1/0433/0687/

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000132bd.bin` `2b7023f8b0874f5019e86c12c8d3d5ec3d0cd69570e8526363252e85ed26bcbe`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x132BD	5604 bytes
`font_01_sfnt_off000145b2.bin` `2138ce9271c8ac2e063708d7adfc138abafb66f1bfaece83d635a0a1559e40c7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x145B2	16076 bytes
`font_02_sfnt_off00017708.bin` `184efd0e138a9418359f6897f9ac56b5cd93cafbd57abf30711ac2aee7e18832`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x17708	16120 bytes

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