PDF malware analysis — malicious · e4e7b6d314ed44a1

MALICIOUS

PDF

51.4 KB Created: 2020-08-04 18:50:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 85b414a3f42823f55618a8722cf27dfa SHA-1: 7c3315e294d8445e005c37891e9fa6cb0b2a589e SHA-256: e4e7b6d314ed44a14fd4cb85b9bf0bedd551535904ca7b289cd2802ad4d323f7

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=make+bookmark+in+pdf+online'. Additionally, it features a PDF link farm with numerous external links, many hosted on cdn.shopify.com, suggesting an attempt to manipulate search engine results or distribute content. The document body contains garbled text but includes the same redirector URL, reinforcing the malicious intent. No scripts were extracted, but the primary attack vector appears to be social engineering via a deceptive link.

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=make+bookmark+in+pdf+online
- http://files.michaeldalberg.info/uploads/1/3/2/7/132740214/8943233.pdf
- http://files.yendorearthing-n-wellness.com/uploads/1/3/1/6/131606125/gujunorovadikad.pdf
- http://fovira.dannyderrick.com/uploads/1/3/1/0/131070152/9569320.pdf
- https://cdn.shopify.com/s/files/1/0429/1526/6713/files/motunejobifogezowemodi.pdf
- https://cdn.shopify.com/s/files/1/0435/0106/0262/files/taxunavivagilavige.pdf
- https://cdn.shopify.com/s/files/1/0433/9964/3286/files/31051581227.pdf
- https://cdn.shopify.com/s/files/1/0434/3303/3877/files/o_level_computer_science_notes.pdf
- https://cdn.shopify.com/s/files/1/0429/8627/4977/files/tukewotufabufamazisud.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/12091312038.pdf
- https://cdn.shopify.com/s/files/1/0430/0200/3609/files/76650702343.pdf
- https://cdn.shopify.com/s/files/1/0434/2933/1100/files/regapowimisivepez.pdf
- https://cdn.shopify.com/s/files/1/0430/6714/6397/files/66708158656.pdf
- https://cdn.shopify.com/s/files/1/0433/2286/7880/files/gaxugunovaponog.pdf
- https://cdn.shopify.com/s/files/1/0434/3060/9063/files/social_phobia_inventory_scale.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000062e6.bin` `e8a608e639138f95a8b03dacf40958961e8b5bd95009679657a02a382a98f47a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62E6	5216 bytes
`font_01_sfnt_off00007492.bin` `bba0c88de6b12209b03eabfd04d4a22ae27e0701665b8c400229b1790e4d16c8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7492	16176 bytes
`font_02_sfnt_off00009cc8.bin` `6449db2bd04a3bdd4158500a92f8daf3440ea6e3315e2c73498e2f3c94e3678b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9CC8	10724 bytes

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