MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. This URL is embedded within the document body, disguised as a link to a Swedish language book PDF. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. The ML classifier strongly flagged this PDF as malicious. The primary attack vector appears to be social engineering via a deceptive link.
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=learning+swedish+language+books+pdf In PDF document text
- http://files.sarahpoulgrain.com/uploads/1/3/2/7/132740978/8bb4e13.pdfIn PDF document text
- http://files.whitesschoolfordogs.com/uploads/1/3/0/8/130873945/7359147.pdfIn PDF document text
- http://files.geraldinepilgrim.com/uploads/1/3/2/8/132815346/6780435.pdfIn PDF document text
- http://files.ucfilter.com/uploads/1/3/0/7/130740465/pamobobewube.pdfIn PDF document text
- http://files.heatherseagraves.com/uploads/1/3/2/3/132302774/nufigidoruz-reverime-mojavo.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/volobufepafolosovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9308/2783/files/ggplot_rotate_axis_labels.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8502/8758/files/kubejunikijasokofiwuku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3503/1712/files/55442952561.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9541/5189/files/sodinugusosufov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1459/4466/files/79849063451.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7090/5756/files/mount_and_blade_warband_napoleonic_mod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8162/1919/files/zexuravumu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9768/5157/files/xitibijijizawolidawagakad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4875/4581/files/lakirebikowutadodamabedij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9540/0356/files/19106939657.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9823/5289/files/family_guy_jackass.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0329/7438/files/14649136309.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_off0000691a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x691A | 5540 bytes |
SHA-256: d9f2a0b0a02213fcfb97663df890bf99d9627ccb5208f628c31fa30977b24c5a |
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font_01_sfnt_off00007bfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BFB | 10128 bytes |
SHA-256: 98c594d04ff163ebc2fda4e0468e61337e5539b9407b22a8cc59ff85417427f9 |
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