MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.cc, disguised with a seemingly innocuous keyword. The document body, though heavily obfuscated, includes references to 'Waiting for Godot act 2 pdf', suggesting a lure. The presence of numerous external PDF links, many hosted on cdn.shopify.com, indicates a link farm strategy, likely to improve search engine ranking for malicious content or to obscure the final destination. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=waiting+for+godot+act+2+pdf In PDF document text
- http://files.theequinelink.net/uploads/1/3/1/4/131452815/tejozadubo.pdfIn PDF document text
- http://files.lcpbandboosters.org/uploads/1/3/1/4/131407547/mimevenuduxo-jogimodeti-pirug-xapubunetuvijab.pdfIn PDF document text
- http://files.thefitnessroom.ca/uploads/1/3/0/7/130775503/4168a399be21569.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/1/0428/9835/8432/files/xuvekalododit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9629/4051/files/8829050189.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2311/3119/files/48613711371.pdfIn PDF document text
- https://dasawiduved.files.wordpress.com/2020/07/72820401697.pdfIn PDF document text
- https://rogofuxeviso.files.wordpress.com/2020/06/51441062317.pdfIn PDF document text
- https://wedigari.files.wordpress.com/2020/06/jimikinidorusumobo.pdfIn PDF document text
- https://fafabozum.files.wordpress.com/2020/07/tariwin.pdfIn PDF document text
- https://gupedopuvi.files.wordpress.com/2020/07/17763520367.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80884551140.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6295/9006/files/jexokiguzijoxoxevot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5819/1768/files/pelopesuxojuvulubolutute.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8815/0690/files/53864617200.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7791/9129/files/mulogugotupezujomu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9525/2374/files/25614761018.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6277/9295/files/98272015114.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_off00007300.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7300 | 4928 bytes |
SHA-256: 2cf8aa642336bbe676a79770532117f2533c48a010d4300f0db4c8578daed311 |
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font_01_sfnt_off000083d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83D1 | 9536 bytes |
SHA-256: e6ccdf37cf21a41ce30285612294adf542e8c4295a704238a71956a99ef402f8 |
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