MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a mass of external links, many pointing to Shopify-hosted PDFs, suggesting a link farm for SEO manipulation or traffic redirection. One critical heuristic identified a link to a known malicious redirector infrastructure at `ttraff.com`. The document body, though heavily obfuscated, contains text related to 'Baumuller servo drive manual' and the PDF creation tool 'wkhtmltopdf', indicating a lure to disguise the malicious intent. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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.com/wb?keyword=baumuller%20servo%20drive%20manual In PDF document text
- http://files.howardpatten.com/uploads/1/3/2/6/132695663/dobokuzitib_lusemizewen_tufexu.pdfIn PDF document text
- http://files.javaromaroasters.com/uploads/1/3/1/3/131380728/viwexi_maganub_zasud_wexepopo.pdfIn PDF document text
- http://files.timdewittphotography.com/uploads/1/3/0/8/130874422/6912932.pdfIn PDF document text
- http://files.alexjtunney.com/uploads/1/3/1/3/131382955/329112.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/1/0432/7974/5192/files/69748411671.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3249/4751/files/ditebonexavaxegekoza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1137/5267/files/linurij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/34530012154.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8523/3304/files/42568441472.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8664/1304/files/kezulefapigajagupinodefo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9151/5808/files/fasotenigozipubafeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2379/4337/files/rajimefogedivobafowuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/86477918810.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4802/4741/files/fobinisuxorisikemubile.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9219/5993/files/bhagavad_gita_with_meaning_in_marathi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5005/5318/files/fafegizuge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6982/3383/files/lupobajuvojikoduma.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004e22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E22 | 5080 bytes |
SHA-256: 440e20e0bbf5d078a51c8614520b533c689596d1f77fffc8b3b5b79023770971 |
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font_01_sfnt_off00005f4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F4F | 8872 bytes |
SHA-256: a8ae6b7a09cb8e522ebc6f2bb7a5904ec09bc1eb9ce83ca41249daffd922e884 |
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