MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains embedded links, one of which points to a known malicious redirector at ttraff.com. The document body, though heavily obfuscated, contains text fragments related to 'mac powerpoint pdf file size' and the authoring application 'wkhtmltopdf', suggesting a lure to disguise malicious content. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the ultimate destination.
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=mac%20powerpoint%20pdf%20file%20size In PDF document text
- http://kotin.msdanielledobeleit.com/uploads/1/3/0/7/130775162/1445057.pdfIn PDF document text
- http://files.turkishinstructor.com/uploads/1/3/1/4/131453943/kofutewabafisega.pdfIn PDF document text
- http://files.mrlennonmusic.com/uploads/1/3/1/4/131406735/zebajurakesibap.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/1/0433/3764/6245/files/xoromizaxuwuzuzupusewu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/statistical_rethinking_solutions_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8156/3286/files/11215438524.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2131/8820/files/pafajunenevopezoxurej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dijovosulodomozov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3694/2231/files/zorawugizikak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9716/9824/files/airfix_model_world_june_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0610/7552/files/59810297004.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0436/2906/files/fubeniruwulo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6707/0877/files/60948225701.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9648/9632/files/rusumoberotemur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9516/2022/files/75224099982.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1903/2987/files/mukubedoku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2992/0930/files/35459446823.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0500/8293/files/megugujowojil.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_off000073d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73D4 | 5296 bytes |
SHA-256: b3378d04a9d1d18bcf7d25b63e4369cfb34e472bb8f5d7e645cebbad628bf081 |
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font_01_sfnt_off0000860f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x860F | 10540 bytes |
SHA-256: b21b07f5dae37409e1a9ce907a1388ba12e09baa686ef9629db366aeb71fb7e5 |
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