MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with a critical heuristic firing indicating they lead to known malicious redirector infrastructure. The document body and heuristics suggest a lure, likely for phishing or to download further malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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=unturned+metal+wall+id In PDF document text
- http://gikasoka.paperandpurlgurl.com/uploads/1/3/1/3/131380429/2194571.pdfIn PDF document text
- http://dupewo.coonleysclasses.com/uploads/1/3/2/7/132710507/2624034.pdfIn PDF document text
- http://files.evansadopt.com/uploads/1/3/0/7/130738753/dirigefufusode.pdfIn PDF document text
- http://wekurut.versewrights.com/uploads/1/3/0/8/130874493/mexuj_nemutadelekili.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/1/0435/4555/9189/files/fuvoludivozarowujufew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2556/3799/files/bilijobuzejodudigexas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7373/2769/files/doxomopozadu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2636/6116/files/residential_lease_agreement_template_nsw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2449/9367/files/bodorukabetevajof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6313/9733/files/tonobotukusinivevinofe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/8127/4278/files/58430046111.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0627/9332/files/sheetrock_vs_gypsum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3775/3501/files/kawaparami.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7578/9215/files/3908758338.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8091/6893/files/basic_accounting_notes_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2104/0789/files/7172549205.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2650/5118/files/gumemomonome.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/3488/9627/files/epiderme_derme_hipoderme.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_off00005b2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B2E | 4876 bytes |
SHA-256: 01a325276a658611256d4cc7512b9c91ff254d5b3d7380f4cf65e2f4d2bd1c49 |
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font_01_sfnt_off00006bb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BB8 | 10280 bytes |
SHA-256: 31e1b04a9f7b8793120f8aedd79f1f19b6e2951d4ad5d7d0f42a8fb1d7352624 |
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