MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a malicious redirector link disguised as a document title, which leads to a large collection of other PDF links. This suggests a tactic to manipulate search engine results or to phish users by presenting a seemingly legitimate document. The ML classifier strongly indicated maliciousness, and the presence of a redirector link further supports this assessment.
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.cc/pify?keyword=customer+behaviour+analysis+pdf In PDF document text
- http://files.sofiajagbrant.com/uploads/1/3/1/8/131856076/f5f1671979f5.pdfIn PDF document text
- http://files.koicarp.sk/uploads/1/3/0/7/130739371/70a5b50712.pdfIn PDF document text
- http://files.oneearthoutlet.com.au/uploads/1/3/1/3/131383837/e156cec681525a7.pdfIn PDF document text
- http://powipojur.sthilaryhouse.co.uk/uploads/1/3/1/6/131637814/fulijozud.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/1/0434/0206/8131/files/algebra_1_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8390/6724/files/53055552873.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5790/4792/files/export_text_messages_from_iphone_to_mac.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8197/3416/files/80824253064.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0522/2818/files/98423146669.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7343/7847/files/58423870158.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5308/7909/files/50429470779.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9931/5610/files/postgres_import_csv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6844/9180/files/69390004079.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3532/8663/files/pubufivojixiretamix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2585/8714/files/jawenisisufifewosutol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0203/5351/files/luvoxefupufetepep.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_off00007814.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7814 | 5488 bytes |
SHA-256: ad1287cd091f84572983b482b5060b7f5bc7ff82f6b176c2428846085facda3e |
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font_01_sfnt_off00008a93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A93 | 9804 bytes |
SHA-256: 3d692cb84c081172b668f63e9a3bcf7797ab6736f7c57f6e9628421f721c1f39 |
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