MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link farm and a malicious redirector URL, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains the text 'Blitzing biology year 12 pdf' and the malicious URL, suggesting a lure to download or view educational material. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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/pify?keyword=blitzing+biology+year+12+pdf In PDF document text
- http://files.msmillyard.com/uploads/1/3/1/1/131164479/jasolugoza.pdfIn PDF document text
- http://files.supercontinent-bp.com/uploads/1/3/1/8/131872281/6195577.pdfIn PDF document text
- http://files.naturalandpermanentbodyadornment.com/uploads/1/3/1/3/131383247/wexoxa_tadananodanav.pdfIn PDF document text
- http://files.legacycaengineering.com/uploads/1/3/1/3/131398360/fazojejikife.pdfIn PDF document text
- http://files.watervlietpubliclibrary.org/uploads/1/3/1/3/131381021/1659827.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/1/0434/4017/7308/files/51607536579.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8778/2297/files/module_7_test_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4610/9341/files/26024010956.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8553/7175/files/24215707692.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1760/0152/files/11019740086.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1442/9608/files/xefemuzaxefidotazobalarez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7990/9028/files/wejitalurorimemeloverowo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3682/6007/files/51322790032.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3071/6326/files/40767552143.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1097/4108/files/visalu.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_off00004377.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4377 | 5556 bytes |
SHA-256: a093dc52d4826d454a85073c26e2fa8c3e8e56d9eb8e0ee482c32b5380534a4f |
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font_01_sfnt_off0000567f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x567F | 9212 bytes |
SHA-256: e60afabfe1d9757008b788f0e6864ec582b031f17c548b2879835deeb91b0c16 |
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