MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a link to a redirector URL that is flagged as malicious. The document body text is obfuscated but contains keywords related to Android debugging ('adb install apk error device not found') and the authoring application 'wkhtmltopdf', suggesting a lure to a technical support scam or a malicious download. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to improve search engine ranking for specific keywords, further supporting the lure-based attack pattern.
Heuristics 3
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Embedded URL info EMBEDDED_URLOne 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=adb+install+apk+error+device+not+found
- http://vewivi.shelleygentry.com/uploads/1/3/1/4/131406717/rijutuvilojukotifide.pdf
- http://files.paddyharrop.org/uploads/1/3/1/3/131378993/8437027.pdf
- http://files.ballroomdancebyangela.com/uploads/1/3/0/7/130775431/3767440.pdf
- https://cdn.shopify.com/s/files/1/0435/1066/1279/files/kizusefokil.pdf
- https://cdn.shopify.com/s/files/1/0440/0198/4662/files/interlocking_accounting_system.pdf
- https://cdn.shopify.com/s/files/1/0431/2514/5760/files/suwapewuzuxedomatevamom.pdf
- https://cdn.shopify.com/s/files/1/0437/7962/1026/files/12755790137.pdf
- https://cdn.shopify.com/s/files/1/0427/7708/4070/files/74009127792.pdf
- https://cdn.shopify.com/s/files/1/0432/9462/1862/files/add-_apt-_repository_command_not_found.pdf
- https://cdn.shopify.com/s/files/1/0434/9083/6632/files/95226119183.pdf
- https://cdn.shopify.com/s/files/1/0437/3620/3415/files/credit_card_cibil_report.pdf
- https://cdn.shopify.com/s/files/1/0428/9078/9020/files/sowedasofupotigav.pdf
- https://cdn.shopify.com/s/files/1/0435/6092/7393/files/bdc_anatomy_handbook.pdf
- https://cdn.shopify.com/s/files/1/0437/9767/6192/files/78293223587.pdf
- https://cdn.shopify.com/s/files/1/0436/6296/6937/files/zorejenixikexona.pdf
- https://cdn.shopify.com/s/files/1/0431/6381/2004/files/case_files_pediatrics_4th_edition_free_download.pdf
- https://cdn.shopify.com/s/files/1/0432/4166/8770/files/8978532322.pdf
- https://cdn.shopify.com/s/files/1/0428/9557/3158/files/besofipig.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_off0000c94c.bin77b1b1ff218542f7c68acbc0ef0cc5e604a301baff25e1e23d14fbcc0817dc5a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC94C | 5400 bytes |
font_01_sfnt_off0000dbb8.bin7650bf3ebc379e00b370f4e9792f755b67a663dce4f561495f9c37aa5f692131 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBB8 | 10788 bytes |
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