PDF malware analysis — malicious · 414a1ae8989335c4

MALICIOUS

PDF

39.9 KB Created: 2020-08-06 03:07:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4c21db8465700d2cd67c7ee44a9d47bb SHA-1: d050f373e6741e136d40caecc2c22e52c1d24960 SHA-256: 414a1ae8989335c48c7d5e52cdec643251c7ebdbd567710b6c4e7d1bfe8d0633

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 external PDF files hosted on Shopify. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=catalogo+bticino+2020+pdf'. The document body, though heavily obfuscated, contains text related to 'Catalogo bticino 2020 pdf', suggesting a lure to disguise malicious links as a product catalog. The presence of numerous links and the redirection to a known malicious domain strongly indicate a phishing or malware distribution attempt.

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=catalogo+bticino+2020+pdf
- http://files.tijansbooks.com/uploads/1/3/2/8/132815207/1115444.pdf
- http://files.oxfordclimatesociety.com/uploads/1/3/1/8/131872105/xewis-vugan-buforudanaxe-zemetevo.pdf
- http://files.cancelthecabal.net/uploads/1/3/0/9/130969652/8430688.pdf
- http://files.rimrockmanagement.biz/uploads/1/3/1/4/131482975/zazatipu.pdf
- https://cdn.shopify.com/s/files/1/0437/1392/1189/files/46670625757.pdf
- https://cdn.shopify.com/s/files/1/0436/1509/2893/files/entourage_season_1_torrents.pdf
- https://cdn.shopify.com/s/files/1/0430/3480/4375/files/98403829388.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/68513135127.pdf
- https://cdn.shopify.com/s/files/1/0435/5158/8507/files/24296391065.pdf
- https://cdn.shopify.com/s/files/1/0432/3275/5875/files/emu_paradise_code.pdf
- https://cdn.shopify.com/s/files/1/0429/6704/0154/files/30876583501.pdf
- https://cdn.shopify.com/s/files/1/0433/0956/4064/files/git_delete_commit.pdf
- https://cdn.shopify.com/s/files/1/0431/6420/5216/files/48719558009.pdf
- https://cdn.shopify.com/s/files/1/0428/8305/5782/files/53255944055.pdf
- https://cdn.shopify.com/s/files/1/0433/9276/2017/files/13038564419.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_off00005052.bin` `f9b5ac0af43f750e2aad2347562349e244d0e20af65c742e3c168c5b453870ff`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5052	5156 bytes
`font_01_sfnt_off000061e7.bin` `9607688972ece020930a266c3ea93a431b249be025ff8904436d0a062d9fb02a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61E7	10196 bytes
`font_02_sfnt_off000084bf.bin` `a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x84BF	4324 bytes

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