MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a redirector service. The primary redirector URL is 'https://ttraff.cc/pify?keyword=nomenclatura+de+alcanos+iupac+pdf', which is flagged as malicious. This suggests the document is designed to trick users into downloading potentially malicious files by masquerading as legitimate content, likely a phishing or scam lure.
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=nomenclatura+de+alcanos+iupac+pdf In PDF document text
- http://files.austintxtherapists.com/uploads/1/3/0/8/130813846/binupamis.pdfIn PDF document text
- http://files.neworleansmidwives.com/uploads/1/3/1/4/131453232/5845400.pdfIn PDF document text
- http://files.lookitschris.com/uploads/1/3/1/4/131438211/gejibewomepivalov.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/1/0431/1829/7245/files/89405488484.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7388/0739/files/78373412794.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4547/7783/files/42824822460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6317/2502/files/body_beast_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9180/3801/files/reading_and_writing_targets_3_student_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5289/1298/files/50658194098.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9359/0170/files/rudukisop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rerisorajomowuba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/83420919507.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6318/9412/files/90796415616.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4814/7867/files/medebupabosenimukikada.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8201/4108/files/nusadusi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7767/1843/files/82049438940.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85947343199.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006acb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6ACB | 5268 bytes |
SHA-256: 71c5520d14885f1b5104b244fcf9789abc1c4d023fe227be6070d8161f2fa451 |
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font_01_sfnt_off00007ca1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CA1 | 11960 bytes |
SHA-256: 4dd6304366bd6d9d61297d56ded4878ec99db660526f1d5b74524fcec14ca8a9 |
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font_02_sfnt_off0000a2f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA2F8 | 17884 bytes |
SHA-256: fd989a4419e9118b30f0d796880f622292a9baae154206e7e7dcd06c22f904a9 |
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