MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure at 'ttraff.cc'. The document body, though heavily obfuscated, contains the same URL, suggesting a lure to download a PDF. The presence of a link farm and the ML classifier's high confidence further support malicious intent. The primary attack vector appears to be a phishing lure using a link to a redirector.
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=big+bang+theory+physics+pdf In PDF document text
- http://files.csdigitalsolutionsgroup.com/uploads/1/3/1/4/131483275/b3399bd3e2df.pdfIn PDF document text
- http://files.buttevistaparentclub.org/uploads/1/3/1/4/131437005/suzutepagami.pdfIn PDF document text
- http://files.lucidcoaching.com/uploads/1/3/1/3/131380773/vetewe_ketemawemidi_pewilebexer.pdfIn PDF document text
- http://files.cierrasedgeamstaffs.com/uploads/1/3/1/6/131606697/xokegiwepebupokuzig.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/1/0428/2194/3463/files/vofez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3683/3954/files/95479629443.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0744/1053/files/nenulibeziji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7899/1520/files/56644439217.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0763/9711/files/saganog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4436/3678/files/45982472154.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6645/8265/files/zopibad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8211/3433/files/xuxokakuxam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9480/9507/files/kuwiruwumuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/40545468116.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3684/3933/files/tedixafagebuvotez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2768/5799/files/fowunozumolenamotezew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4553/5400/files/25735025823.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3445/1874/files/datewilazosixeta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6334/4294/files/online_editor_free_download.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_off000067d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67D9 | 5676 bytes |
SHA-256: aaf2b7293dff874f63dc87eee481f2b3890ba3cf71d28616970c720451b8a595 |
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font_01_sfnt_off00007b2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B2E | 13440 bytes |
SHA-256: 3a907b4d8a8976a709f079e4cdc7d119ac071852c3ef9e33e18387b3af536a3d |
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