PDF malware analysis — malicious · 28df1aa35f729918

MALICIOUS

PDF

42.6 KB Created: 2020-08-06 09:31:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 82a817f3b672f7f834c6e324e25cea9f SHA-1: 9e977a477b07ec7c62d24ccda00f05b9f2bc8ce1 SHA-256: 28df1aa35f729918f3574af78707d3d61389e3b03356ccea7ff2ec49d03bfae3

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, with the primary heuristic identifying it as a PDF SEO link farm. One of these links, 'https://ttraff.com/pify?keyword=rectification+column+pdf', is flagged as a known malicious redirector. The document body itself is heavily obfuscated and contains the malicious redirector URL, suggesting the document's purpose is to lure users to malicious infrastructure through a deceptive link farm.

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=rectification+column+pdf
- http://mutid.thearttherapystudioithaca.com/uploads/1/3/1/3/131384635/0db453c2.pdf
- http://files.illuminateconferences.org/uploads/1/3/1/3/131398477/zuzefema.pdf
- http://files.paintingsbychrislwilliams.com/uploads/1/3/1/4/131407812/d716b.pdf
- http://files.clubcollege-bound.com/uploads/1/3/2/7/132710678/7a98010460.pdf
- http://files.hlathletics.com/uploads/1/3/1/4/131437563/vozuvirikezesabe.pdf
- https://cdn.shopify.com/s/files/1/0437/1821/3797/files/appointment_with_death_play.pdf
- https://cdn.shopify.com/s/files/1/0441/4291/9832/files/90749199094.pdf
- https://cdn.shopify.com/s/files/1/0437/4983/4901/files/7068330593.pdf
- https://cdn.shopify.com/s/files/1/0435/2468/5975/files/jalinogug.pdf
- https://cdn.shopify.com/s/files/1/0433/4164/3928/files/76175611811.pdf
- https://cdn.shopify.com/s/files/1/0429/3797/4940/files/bisuginesifapizi.pdf
- https://cdn.shopify.com/s/files/1/0432/3947/3314/files/77473689620.pdf
- https://cdn.shopify.com/s/files/1/0438/8634/6408/files/68824650783.pdf
- https://cdn.shopify.com/s/files/1/0429/6779/3820/files/13068506459.pdf
- https://cdn.shopify.com/s/files/1/0431/6761/3087/files/pitobatinob.pdf
- https://cdn.shopify.com/s/files/1/0430/0485/4426/files/vutuxoludukoxiga.pdf
- https://cdn.shopify.com/s/files/1/0434/6976/6821/files/8368068708.pdf
- https://cdn.shopify.com/s/files/1/0437/2856/8474/files/65366150901.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_off000069a0.bin` `656952592cfcc85a5d2c0e001f72174a10a30efa265cc9625730e5c48dd3269c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x69A0	5032 bytes
`font_01_sfnt_off00007abc.bin` `177e3eddfa86d869db8179ea1782aad9baeb02862050a2e7e7016bcacbc2671e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7ABC	10176 bytes

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