PDF malware analysis — malicious · 552bf29c730471db

MALICIOUS

PDF

42.7 KB Created: 2020-08-18 21:33:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 77fd47bd5178618315b9f70271849816 SHA-1: 5f6e71efedc846a28662fcf9a51e2e561b1ab190 SHA-256: 552bf29c730471dbc995fdcbc29d290f39fe2a831bf0d13ee3962d5111e4b2fc

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that triggers the malicious redirector. This suggests a phishing or scam attempt designed to lead users to malicious infrastructure.

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=los+organelos+celulares+pdf
- http://xijuf.freedomunchained.com/uploads/1/3/1/0/131070401/resufotemagi-kakeru-muwuxemudipikek.pdf
- http://files.nativeroots-design.com/uploads/1/3/1/4/131453645/4c2a001.pdf
- http://files.hidefdjs.com/uploads/1/3/0/8/130874480/gizadi.pdf
- http://files.poolservicefresnoca.net/uploads/1/3/1/1/131163492/4aad7f.pdf
- https://cdn.shopify.com/s/files/1/0430/6635/9962/files/54853948225.pdf
- https://cdn.shopify.com/s/files/1/0429/9980/8149/files/fiwugawise.pdf
- https://cdn.shopify.com/s/files/1/0432/9019/8180/files/introduction_to_trigonometry_class_10_ncert_solutions.pdf
- https://cdn.shopify.com/s/files/1/0434/0930/9848/files/72265953092.pdf
- https://cdn.shopify.com/s/files/1/0432/0883/5229/files/pewebupusugumufisajar.pdf
- https://cdn.shopify.com/s/files/1/0430/8333/3799/files/the_hungry_caterpillar.pdf
- https://cdn.shopify.com/s/files/1/0429/7320/0537/files/free_secured_promissory_note_template.pdf
- https://cdn.shopify.com/s/files/1/0436/1627/2547/files/vevikijizalumejolixoso.pdf
- https://cdn.shopify.com/s/files/1/0429/2925/8649/files/15701486641.pdf
- https://cdn.shopify.com/s/files/1/0437/7178/9469/files/institutional_ownership_capital_structure_and_firm_performance.pdf
- https://cdn.shopify.com/s/files/1/0431/3369/8209/files/21026594321.pdf
- https://cdn.shopify.com/s/files/1/0432/5693/8658/files/zizaxigiwoxow.pdf
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/18228196141.pdf
- https://cdn.shopify.com/s/files/1/0432/7197/9172/files/sowijapivez.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_off0000668b.bin` `f5a40703984f00da3573b820b2df37b4440468e707c6d1bc032488f1994eb746`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x668B	5264 bytes
`font_01_sfnt_off00007880.bin` `e1ed7c5e55768303955687b795987155729de6366a16fb5c38bcc607c17aa24d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7880	11052 bytes

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