MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though partially corrupted, contains text related to 'Speech choir contest guidelines' and the malicious URL 'https://ttraff.cc/pify?keyword=speech+choir+contest+guidelines'. This suggests a social engineering lure to direct users to malicious infrastructure. No scripts were extracted from this sample.
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=speech+choir+contest+guidelines In PDF document text
- http://tunevo.oneilbldrs.com/uploads/1/3/1/4/131453540/lazidulejovalukimuwu.pdfIn PDF document text
- http://files.beautifulsubsistence.com/uploads/1/3/1/6/131637257/2730059.pdfIn PDF document text
- http://files.traveltodiscover.org/uploads/1/3/0/7/130738918/xawawidor.pdfIn PDF document text
- http://files.cofcmesa.com/uploads/1/3/2/3/132303382/a6e01b8430d1.pdfIn PDF document text
- http://files.namibiatourism.info/uploads/1/3/0/9/130969204/jifuraleviwarurozob.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/1/0429/1667/5740/files/70698468203.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1251/1128/files/negative_prefixes_adjectives_exercises.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3309/1480/files/muluximexojuwamu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1072/6815/files/fanat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8792/9252/files/44248880048.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/8436/9311/files/raquitismo_hipofosfatmico_familiar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/15518423203.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1214/5823/files/tetakipujivukosafanepub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7350/2361/files/adlarin_menasi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86556218032.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1280/6040/files/wedawejaxuke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9198/3512/files/canara_bank_neft_form_download.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_off00005841.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5841 | 5108 bytes |
SHA-256: 4fca8561d540876013c9f7b6708bc5bc6fc25f1f859c96aebc29fd2ec0286c9a |
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font_01_sfnt_off00006994.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6994 | 10188 bytes |
SHA-256: 9d50b61cdc92b7131a0fd7c88fde9772ed6b21c2eaf5a74bf0a748c42abc761e |
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font_02_sfnt_off00008c18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C18 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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