MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. This URL is part of a link farm designed to obscure the true destination, which is likely malicious. The document body also contains the same URL, presented as a lure for a 'flash player update', and a large number of other PDF links, many hosted on Shopify, likely to improve SEO for malicious search terms. The presence of a 'download button' heuristic further supports a social engineering attack.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=adobe+flash+player++firefox+windows+xp In PDF document text
- http://jifuke.writluxe.org/uploads/1/3/1/4/131455069/doxazavejasapugato.pdfIn PDF document text
- http://files.the2degrees.org/uploads/1/3/2/7/132712115/xurokixodijozo_nazoxutulurexu_nutezusev_vodod.pdfIn PDF document text
- http://files.mikesmale.com/uploads/1/3/1/4/131437636/nunuxezuza_dumojeposawixa_xafosuv_sagage.pdfIn PDF document text
- http://files.flytotheskyteam.com/uploads/1/3/1/4/131453253/4730622.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/1/0428/5700/5215/files/56019767543.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0089/7440/files/machiavelli_the_prince_hackett.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4016/2467/files/22606701366.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4642/1158/files/20140473483.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1752/7715/files/morajivifanoruxebovu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3197/0471/files/wixojazipowatesaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9039/4788/files/99063209678.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0158/5570/files/defap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2256/4000/files/i_m_so_brooklyn_instrumental.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5046/6471/files/57982329148.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2917/6232/files/15255132470.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4745/0774/files/girl_paper_bag_puppet_template.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_off00006887.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6887 | 5520 bytes |
SHA-256: fff783166ea6c36f7f776e7332005b6c26b22db60a17db8155a70d34c51efd14 |
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font_01_sfnt_off00007b54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B54 | 10228 bytes |
SHA-256: 3e98e578c1a25b456ffe40b396b96a9fae441d71627f4c3e113abe946f467f3e |
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