MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, a common tactic for redirecting users to malicious sites. One prominent link, 'https://ttraff.cc/pify?keyword=pearson+chemistry+textbook+appendix+d+answers', is flagged as a malicious redirector. The document body also contains this URL, suggesting an attempt to disguise malicious activity as a search result for educational content.
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=pearson+chemistry+textbook+appendix+d+answers In PDF document text
- http://vopele.mfinlayson.net/uploads/1/3/1/4/131482975/3518153.pdfIn PDF document text
- http://files.revolutiontoursinc.com/uploads/1/3/0/8/130813757/0bcf6d9f55.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/1/0431/9015/7473/files/tovonerug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5008/2202/files/82182332129.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1043/2929/files/free_sheet_music_christmas_carols_satb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1586/2434/files/givibidaleluguf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8339/9321/files/38870954512.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2270/5055/files/kujatatavuruk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8660/0609/files/84362330755.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0741/8273/files/livro_de_agrometeorologia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1946/7943/files/16659306907.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8901/6472/files/spontaneous_abortion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9946/4611/files/8509450699.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0293/4942/files/ragemebuzizifimoxezasinud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6473/7433/files/37503758492.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8163/7794/files/duvedisisube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6195/3191/files/correct_plural_form_of_appendix.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_off000045ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45AE | 5748 bytes |
SHA-256: 3e7261311c68c5ddfd1dfdc1afbd4b88db83f1bb5238efbd2a4cd31a89a98b96 |
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font_01_sfnt_off0000591e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x591E | 9340 bytes |
SHA-256: d9d4f216730229ef597f963c5eeea84c110ab3731a3279292bbe610a07fc2e45 |
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