PDF malware analysis — malicious · 4fd83ed1c14c7c26

MALICIOUS

PDF

44.6 KB Created: 2020-08-24 22:30:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8facc46227b13a9f0207bd26e7342547 SHA-1: ce0e7d03ae434f5b848ec59c274fe9c33fd02d87 SHA-256: 4fd83ed1c14c7c26c3a5211c829db55f38d5597b285917871b778043ee3f6643

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Blizzard app slow speed' and the malicious URL, indicating a lure to a phishing or malware distribution site. The presence of a link farm suggests an attempt to game search engine results for malicious purposes.

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.ru/pify?keyword=blizzard+app+slow++speed
- http://vazexirat.thesmithchronicles.us/uploads/1/3/1/4/131454526/6405346.pdf
- http://files.gamkariversafarico.com/uploads/1/3/1/8/131872048/rudefimijuf_josilozibufepi.pdf
- http://files.christophermtorresphd.com/uploads/1/3/2/8/132814241/tobapubupaj.pdf
- http://files.tfsillygood.com/uploads/1/3/1/6/131637257/e8d3b0ff36.pdf
- https://cdn.shopify.com/s/files/1/0434/8110/4541/files/66737301080.pdf
- https://cdn.shopify.com/s/files/1/0436/0355/8564/files/make_your_own_minecraft_skin.pdf
- https://cdn.shopify.com/s/files/1/0431/7839/3762/files/46944551610.pdf
- https://cdn.shopify.com/s/files/1/0435/1708/3802/files/716127578.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/28664871254.pdf
- https://cdn.shopify.com/s/files/1/0435/8147/2929/files/99753870696.pdf
- https://cdn.shopify.com/s/files/1/0437/9390/7869/files/13686654859.pdf
- https://cdn.shopify.com/s/files/1/0428/2561/3468/files/gisikusado.pdf
- https://cdn.shopify.com/s/files/1/0429/1140/0102/files/vujirozebadizinifopo.pdf
- https://cdn.shopify.com/s/files/1/0429/1392/3228/files/john_legen_everybody_knows.pdf
- https://cdn.shopify.com/s/files/1/0445/6205/5327/files/28748092086.pdf
- https://cdn.shopify.com/s/files/1/0431/1570/8580/files/48480299291.pdf
- https://cdn.shopify.com/s/files/1/0448/0483/3441/files/turbocad_tutorials.pdf
- https://cdn.shopify.com/s/files/1/0437/7939/1646/files/musev.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/fi

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006f6f.bin` `3d905b0c1f3d63218414d0e4ffd5e2e7adbba1ef40d4a27b71572648c7535b75`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F6F	5144 bytes
`font_01_sfnt_off00008113.bin` `f4479c58b5b7027239689bb185a53c420b64f18fe590159307ee80417aac3530`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8113	10600 bytes

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