MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document contains numerous embedded links, many of which point to external PDF files hosted on Shopify. One of these links, https://ttraff.cc/pify?keyword=free+act+english+practice+test+pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, appears to be a lure for a 'free act english practice test pdf'. The presence of a malicious redirector suggests the intent is to lead the user to a malicious site or download further malware. No scripts were extracted from this sample.
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.cc/pify?keyword=free+act+english+practice+test+pdf In PDF document text
- http://files.takemetosavaii.com/uploads/1/3/1/4/131406800/d5016a79e.pdfIn PDF document text
- http://fuzaturi.movebeyondit.com/uploads/1/3/0/8/130814328/237daa245c.pdfIn PDF document text
- http://files.mzapatalaw.com/uploads/1/3/1/4/131437074/jugalofozovokaw.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/1/0431/5080/3099/files/80495913412.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3009/3728/files/gologogenamamutux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6798/8376/files/acids_bases_and_salts.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6126/3001/files/da_form_5960.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2363/7399/files/minugorag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4535/5674/files/jajevaziv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0009/4112/files/65568660713.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4885/2894/files/natural_biodegradable_polymers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1533/1227/files/bastar_university_change_time_table_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3146/1016/files/viral_pathogenesis.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/1/0437/2794/5889/files/cessna_172_service_manual.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_off00006d49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D49 | 5372 bytes |
SHA-256: 58e8e7e7aedee78ef8b8494e0cfc1398fdf8b8e7fb19cb56846fedc096792fbd |
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font_01_sfnt_off00007f8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F8A | 10308 bytes |
SHA-256: 5c73fa02ca73a728636a6e15c44c033265a47e356c83d47a6a4bcf9d48bfec24 |
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