MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL, 'https://ttraff.cc/pify?keyword=el+submarino+lothar+gunther+buchheim+pdf', is likely intended to redirect the user to a malicious site. The document body, though heavily obfuscated, contains this URL and other links that appear to be part of a link farm, suggesting a social engineering attempt to drive traffic to malicious 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=el+submarino+lothar+gunther+buchheim+pdf In PDF document text
- http://files.greenteamllc.com/uploads/1/3/1/8/131857305/rixipomavuzadegabur.pdfIn PDF document text
- http://files.collegeroyalsociety.com/uploads/1/3/1/4/131406717/murapigawukiv.pdfIn PDF document text
- http://files.sidritwanders.com/uploads/1/3/0/7/130776200/mugitesojunajaf.pdfIn PDF document text
- http://files.elementsbookscoffeebeer.com/uploads/1/3/2/6/132695576/zisajojofevowepesuw.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/4815/7859/files/61679720847.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9890/6528/files/adobe_acrobat_editing_software.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8770/6777/files/bronchiolite_definition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8406/9526/files/lirifepavodes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4444/5082/files/78408601913.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7790/1214/files/czasy_teraniejsze_jzyk_angielski.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8688/9625/files/68406368156.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8978/7048/files/sygg_river_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2562/8316/files/synonyms_words_in_english_a_to_z.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1725/6603/files/asfixia_perinatal_gpc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lapifobojupe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8186/7176/files/61412396715.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000076e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76E4 | 5548 bytes |
SHA-256: cebd2f1108f574b76903b2a4abafef302df1906b500ae9dbd1441ca1476223aa |
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font_01_sfnt_off00008985.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8985 | 10460 bytes |
SHA-256: 7590a22bc464909d1b225e84b93fbfbeed763c5f199dd8e6836295fe17a236bc |
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font_02_sfnt_off0000ad1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD1E | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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