MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is ttraff.com, which is used in conjunction with a keyword related to contractualization, likely as a lure. The document body, though heavily corrupted, contains references to the same URL and other Shopify-hosted PDF files, suggesting a link farm or redirection strategy. 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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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/wb?keyword=eo%20on%20contractualization%20pdf In PDF document text
- http://files.appwesley.org/uploads/1/3/2/6/132681488/e7cf2cb3190c.pdfIn PDF document text
- http://files.saintpaulcatholicchurchpocahontas.com/uploads/1/3/2/7/132740865/9848483.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/9665/4499/files/febuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3609/6150/files/36534984401.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8316/0995/files/91914187724.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1602/8309/files/9277219317.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5986/3961/files/zafugonaneziferizidimel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/19189676900.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3121/5774/files/vukekegegij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9603/9839/files/kusixigozarumanavagolevip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5317/9289/files/zibulivazatuwun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6991/5814/files/vatuxikamuzajura.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3564/8409/files/69784340685.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007acd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ACD | 4744 bytes |
SHA-256: 4c94e9d2122cf955a51bc9d4b419acdd36179989eb2ae071c4c8100f83e8e1f8 |
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font_01_sfnt_off00008af2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AF2 | 10304 bytes |
SHA-256: 64b03c4bac72fd046e61f02e75358c3bd9fbc5f2cb1c9a007ff7c15233f4a607 |
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font_02_sfnt_off0000ae24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE24 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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