MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link that redirects to a malicious URL, disguised as a download for Windows 10 on Mac. This is further supported by heuristics indicating a malicious redirector link and a link farm, suggesting a phishing or malware distribution attempt. The document body text explicitly mentions the lure and the malicious URL, reinforcing the attack pattern.
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.cc/pify?keyword=download+window+10+for+mac In PDF document text
- http://files.benbernous.com/uploads/1/3/2/8/132815343/bijewe.pdfIn PDF document text
- http://files.fourcornersveterinarysymposium.com/uploads/1/3/0/7/130740178/mefosebote.pdfIn PDF document text
- http://files.wingsofmercyart.com/uploads/1/3/1/0/131070231/1ce630ae6bc8ad1.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/1/0433/0163/4213/files/rekidotanuwavo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9004/3285/files/84724966887.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1478/2104/files/13320051949.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1864/7709/files/28951709987.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6671/0426/files/49719971973.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9207/3895/files/reinstall_quickbooks_converter.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5673/4109/files/jusebibixarimuju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3271/4139/files/gejudofupo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4504/4892/files/ruzoboguw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuzodatusowajukekef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6909/3541/files/feriwawox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7492/0347/files/92404585857.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1729/8329/files/73042441024.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_off00006ca5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CA5 | 5276 bytes |
SHA-256: bf8404a80e6f2dda595b72d87be6c6f74f1fc27e2856570b5d7e148106bf3cd3 |
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font_01_sfnt_off00007ea1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EA1 | 10036 bytes |
SHA-256: 374da54bb61ed1e319b3ea958bbd584492da36e21718e5d256102aca324dc952 |
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