MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, pointing to 'https://ttraff.cc/pify?keyword=listening+cambridge+5+test+2+answers'. The document body, though heavily obfuscated, contains text fragments related to 'listening cambridge 5 test 2 answers' and the malicious URL, suggesting a lure. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, with the first being 'https://cdn.shopify.com/s/files/1/0432/3459/0878/files/oxfordshire_stroke_classification.pdf', which is likely part of a link farm to improve search engine ranking for malicious content.
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=listening+cambridge+5+test+2+answers In PDF document text
- http://files.mtsthelenstshirts.com/uploads/1/3/0/7/130739004/252ed5009b.pdfIn PDF document text
- http://files.smhulse.com/uploads/1/3/2/6/132681053/3689513.pdfIn PDF document text
- http://files.victoriawaterfronttours.com/uploads/1/3/0/8/130873937/70f4e208.pdfIn PDF document text
- http://files.7466caulkproject1.com/uploads/1/3/1/4/131437246/565bc98a277.pdfIn PDF document text
- http://pufida.tynesidebookclub.com/uploads/1/3/0/7/130740145/3472526.pdfIn PDF document text
- https://www.ieltsxpress.com/wp-content/uploads/2020/01/162_deep.mp3In 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/1/0432/3459/0878/files/oxfordshire_stroke_classification.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4030/1478/files/kavagofi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5279/2982/files/28806641765.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3624/5142/files/swtor_unspecified_error_try_patch_again.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/54748680829.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6795/5610/files/raletapoluzilizujizezareg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66083684812.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3051/9716/files/advantages_of_internet_advertising.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0737/6534/files/alien_name_generator.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9163/9974/files/cumulative_sum_control_chart.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4615/1078/files/foxokexesofidizojo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7508/4193/files/20455163981.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_off0000990e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x990E | 5656 bytes |
SHA-256: 0dcdf643beb847e119c30c91b5bf4dddd1943c6caf187c11e8ac76eae832709e |
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font_01_sfnt_off0000ac47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC47 | 10488 bytes |
SHA-256: 48e4ab54c5b19fa03a0fa02b1839df3eca69af20a726447d73fea8cc66d7bf88 |
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