MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, identified as a PDF link farm. One of these links, 'https://ttraff.ru/wb?keyword=fichas%20de%20figuras%20geometricas%20para%20imprimir%20pdf', is flagged as malicious. The document body, though heavily obfuscated, suggests a lure related to printable geometric shapes, likely intended to deceive users into clicking the malicious links.
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=fichas%20de%20figuras%20geometricas%20para%20imprimir%20pdf In PDF document text
- http://files.mckenzieareadayhomes.com/uploads/1/3/1/3/131397940/girizud.pdfIn PDF document text
- http://files.miaburundi.com/uploads/1/3/1/8/131871816/tezenosimipiwabuxow.pdfIn PDF document text
- http://files.4joyjewels.com/uploads/1/3/0/7/130776040/4966e00d4f4f.pdfIn PDF document text
- http://files.moonfulmama.com/uploads/1/3/1/6/131606677/1546056.pdfIn PDF document text
- http://files.sarahavalia.com/uploads/1/3/0/7/130776183/xesebexeladonej_gowidebugogumes_benazal.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/1/0432/0267/4845/files/58252315032.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7462/6470/files/jafapamijogasijegavixaba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8007882555.pdfIn PDF document text
- https://tusolesi.files.wordpress.com/2020/06/48767803607.pdfIn PDF document text
- https://wazejiwifo.files.wordpress.com/2020/07/43093422321.pdfIn PDF document text
- https://kedewemu291756887.files.wordpress.com/2020/06/2118190984.pdfIn PDF document text
- https://nitapid.files.wordpress.com/2020/07/1691888698.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4743/5940/files/jigijirivirujigana.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7341/4055/files/55998948323.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/repipo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23158701460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3407/4523/files/gefemojebirololabe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9322/1783/files/8152297183.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8001/5271/files/67323606047.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2949/4936/files/71641054006.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_off000073cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73CB | 5268 bytes |
SHA-256: bb279ede04f9a86bf625c6cdd9fbd54616220eab9fa9c9a80cf07ba3f365e5b1 |
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font_01_sfnt_off000085b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85B4 | 10764 bytes |
SHA-256: bd5a96bc5b1ce8f6785e3ee9112e5190d4d7df2c73397fcdb00296afb0c87f92 |
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