MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it points to malicious infrastructure. The embedded URL 'https://ttraff.cc/pify?keyword=uva+sorority+dues' is likely part of a phishing campaign. Additionally, the PDF_SEO_LINK_FARM heuristic suggests the document is designed to generate traffic to various external links, with 'https://cdn.shopify.com/s/files/1/0434/1068/6113/files/vatibewumowelebumewu.pdf' being one of the initial links in this farm.
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.cc/pify?keyword=uva+sorority+dues In PDF document text
- http://files.muskogeecountygenealogicalsociety.org/uploads/1/3/1/0/131070561/039e5a9.pdfIn PDF document text
- http://files.danworden.com/uploads/1/3/1/3/131384374/tonipebisenifus-bedozevabom-bugijidebe.pdfIn PDF document text
- https://s/books.google.com/books?id-EbPAAAAAAJAMA-printsec-front-source-gbs_ge_summary_rIn 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/1/0434/1068/6113/files/vatibewumowelebumewu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5851/1522/files/85192619444.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9812/1119/files/84115137842.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5393/2966/files/gebixuwinulubak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2240/1192/files/xoxad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4377/2826/files/transfer_calibre_library_to_new_comp.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6785/9359/files/wonamikopapotiwojijab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6230/5702/files/18467464688.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/19441108854.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6278/7237/files/zofokevilowaxagelarazoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3663/1452/files/43828292632.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_off000185bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x185BF | 4940 bytes |
SHA-256: 3dd63da68415c8fe4a155a76bb696133123823ad2cb9c2f51c9f5400a4824326 |
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font_01_sfnt_off000196a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x196A4 | 18064 bytes |
SHA-256: 67f12e704843c116c561f2ae66fc2e0d3792689837cc5a1fb6af1075b08a4795 |
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