MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous links designed to appear as a link farm for SEO purposes, with a critical heuristic firing for redirector links. The primary redirector URL, 'https://ttraff.ru/wb?keyword=ley%20de%20trasplante%20de%20organos%20argentina%20pdf', is flagged as malicious. The document body, though heavily obfuscated, suggests a lure related to 'Ley de trasplante de organos argentina pdf', likely a phishing pretext.
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.ru/wb?keyword=ley%20de%20trasplante%20de%20organos%20argentina%20pdf In PDF document text
- http://files.sprinkledco.com/uploads/1/3/0/7/130738765/bufosezim.pdfIn PDF document text
- http://files.thoughtfulduck.com/uploads/1/3/0/9/130969655/82d14.pdfIn PDF document text
- http://files.k-millar.com/uploads/1/3/0/7/130775174/fuwokod.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/1/0433/9138/5758/files/55963217942.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1384/8733/files/futumonuxasenopudufepo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8212/0357/files/seloke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6142/7876/files/luxonitezupisimef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13879903487.pdfIn PDF document text
- https://gavilot137689634.files.wordpress.com/2020/07/68266745556.pdfIn PDF document text
- https://mugixunolaka.files.wordpress.com/2020/06/fimatodidi.pdfIn PDF document text
- https://vosorafumen.files.wordpress.com/2020/07/88121220288.pdfIn PDF document text
- https://jepupugewaka.files.wordpress.com/2020/07/zakojexugitu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2641/4749/files/21767604859.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1637/9816/files/99590836247.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1058/7800/files/45442184577.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6761/3087/files/wozuvefamud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3740/0999/files/mikenota.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6558/1468/files/77070560697.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13578549785.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7257/7946/files/49511565375.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8336/6551/files/10011092871.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bijalikupuxamimidesedol.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_off00009791.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9791 | 5040 bytes |
SHA-256: a44dd59bfa42a650ddbd0991ad7279398ae4e321485dd283a971d26b6364e956 |
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font_01_sfnt_off0000a8d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8D0 | 11296 bytes |
SHA-256: c717822026ad8795a1be10da7cdde3db62fbfc0f5e47c1e29962c8778a467117 |
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