PDF malware analysis — malicious · 7b2e1ed9ce03e2c6

MALICIOUS

PDF

34.7 KB Created: 2020-10-27 11:44:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 87f4c3d384d59cb14c487de3736f2fc0 SHA-1: 291bd9e4ceefbf64afff3eff37e34aba57e3d450 SHA-256: 7b2e1ed9ce03e2c6c5aa895fa5cfb1b5a03c526b0a04cfb2ac892fd4909073b2

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://ggtraff.ru/strik?keyword=bachelor+party+gifts+from+bride In PDF document text
- https://fejamelaluboj.weebly.com/uploads/1/3/4/3/134311679/boperotifapinigu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0478/1791/6575/files/monster_rancher_2_combining_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0499/8935/3622/files/97543553079.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0494/1221/0844/files/89234161335.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0502/6912/6853/files/gituvikuwedavokij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0483/5940/7765/files/diablo_3_season_18_wizard_guide.pdfIn PDF document text
- https://s3.amazonaws.com/niporofez/butler_parker.pdfIn PDF document text
- https://s3.amazonaws.com/gezetega/hindi_typing_keyboard.pdfIn PDF document text
- https://s3.amazonaws.com/vekodupiwarobi/30784466008.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0268/8660/2943/files/heraeus_hanaulux_2020_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0481/5237/9553/files/elementary_differential_equations_and_boundary_value_problems_11th_edition.pdfIn PDF document text
- https://s3.amazonaws.com/resixexi/capitalizing_titles_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/zamuriza/65890671283.pdfIn PDF document text
- https://s3.amazonaws.com/nefagolom/el_nacionalismo_catalan.pdfIn PDF document text
- https://s3.amazonaws.com/wopari/tisaxenusujuvoxozifex.pdfIn PDF document text
- https://s3.amazonaws.com/bitajemisajoz/descriptive_statistics_interpretation.pdfIn PDF document text
- https://s3.amazonaws.com/pazifetanegapu/70283509248.pdfIn PDF document text
- https://s3.amazonaws.com/felasorarabipis/hemangioma_capilar_y_cavernoso.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000745c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x745C	5860 bytes
SHA-256: `ebfb5b5e0d58758941eeda7d0425a410223e3379725eec5d4994f6360005e391`

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