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 'https://ttraff.com/pify?keyword=autoboxing+in+java'. Additionally, it exhibits characteristics of a PDF SEO link farm, embedding numerous external PDF links, with the primary one being 'https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78986196578.pdf'. The document body is heavily obfuscated but contains the same redirector URL. The combination of these factors indicates a malicious attempt to lure users to potentially harmful 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.com/pify?keyword=autoboxing+in+java In PDF document text
- http://files.obpassociation.com/uploads/1/3/1/6/131606923/5db77eac.pdfIn PDF document text
- http://files.garfielddiamondsports.org/uploads/1/3/2/7/132740339/gixozerewi.pdfIn PDF document text
- http://files.fatherheartcanada.com/uploads/1/3/1/6/131637072/nemijedimupozojiviw.pdfIn PDF document text
- http://files.bookhivebeerclub.com/uploads/1/3/0/9/130969910/f65beae6b726.pdfIn PDF document text
- http://files.colacotwayartstrail.com/uploads/1/3/0/7/130739510/ba2439c0362fa77.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/1/0433/0687/7080/files/78986196578.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/babape.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9299/2410/files/42154630498.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0775/2866/files/zojadanotazulimul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8896/0933/files/lujekagaseteviwitifelipu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7739/4847/files/vetovubazo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4375/0049/files/jifitipuxadarovitojajek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6418/8312/files/92869206381.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0175/6323/files/tewusaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3654/0056/files/27428426668.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8081/8581/files/64459518444.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9427/8293/files/fobifenusiwedavaliga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4953/2069/files/27882316790.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_off00006e10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E10 | 4880 bytes |
SHA-256: 9130b667b92d0e1e29d966dbdae595d5aa9cdfc9fafbf7818bfbf69e20f6b1f7 |
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font_01_sfnt_off00007ed6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ED6 | 15384 bytes |
SHA-256: 3fbc33501ff3638c80ab5c473c3b1e4a0d45b8079dac1f8c9fe88ced693bddd3 |
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