MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a mass of external links, many of which point to a redirector URL designed to phish users with fake invoice lures. The primary malicious URL identified is https://ttraff.cc/pify?keyword=sample+invoice+template+html, which is part of a link farm strategy. The document's structure and embedded links strongly suggest it is part of a phishing campaign aiming to redirect users to malicious content.
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=sample+invoice+template+html In PDF document text
- http://files.rocykafotografie.nl/uploads/1/3/2/6/132696483/28baa19.pdfIn PDF document text
- http://files.sofiajagbrant.com/uploads/1/3/1/8/131856076/f5f1671979f5.pdfIn PDF document text
- http://files.ecolodge-laketiticaca.com/uploads/1/3/0/8/130814254/vovajas_nusefisut_tobenelaladute_dikudozubenigag.pdfIn PDF document text
- http://files.daviestreeservicesltd.co.uk/uploads/1/3/2/7/132741110/xijibam-gilonotetemutoz.pdfIn PDF document text
- http://kojer.naifamt.org/uploads/1/3/0/8/130874063/nokofejakos_dikuganolalir_gupuvafu.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/1/0433/5471/8358/files/55179819154.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2583/1835/files/47666900423.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5704/5913/files/wimube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5946/8701/files/1528016879.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6415/6582/files/um_fernando_pessoa_agostinho_da_silva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6604/7129/files/subtitle_the_day_after_tomorrow_indonesia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9492/4694/files/diwumibulejonirunivajupu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6364/7131/files/31825470539.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0416/4257/files/zegusuvuwexabirimig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1460/9303/files/39739779510.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4555/1271/files/kizazadeviraxopopizugekov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5997/9174/files/vawiliviveloxesetazig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3754/1031/files/43632344661.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_off000071d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71D6 | 5060 bytes |
SHA-256: a7b73843fce2f08f25121b4a5321075f54e8c9abec0dbffe6f87353e04bd85ab |
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font_01_sfnt_off000082ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82EA | 10296 bytes |
SHA-256: ee2b58343227b25d90cefb54dad9f15ae1c1be08ea1adbbcf608b8976c155f34 |
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