MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to `https://ttraff.cc/pify?keyword=acids+and+bases+grade+12+questions+and+answers+pdf`. This URL is presented within the document body, disguised as a link to educational content. The PDF also contains a link farm heuristic, indicating a large number of external links, with `https://cdn.shopify.com/s/files/1/0434/7274/8710/files/aggregate_testing_methods.pdf` being the first listed. The primary intent appears to be social engineering users into visiting the malicious redirector.
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=acids+and+bases+grade+12+questions+and+answers+pdf In PDF document text
- http://files.belaccommunications.com/uploads/1/3/1/4/131437158/9955582.pdfIn PDF document text
- http://files.keithgriffithssquash.com/uploads/1/3/1/3/131379409/vixedaxomimuziw_xuped.pdfIn PDF document text
- http://files.corrythepsychic.com/uploads/1/3/1/4/131407227/duwopib_jesesinasarijuv.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/1/0434/7274/8710/files/aggregate_testing_methods.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6556/3541/files/acatech_industrie_4._0.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6013/3031/files/benefits_of_virtualization_in_cloud_computing.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0134/8255/files/11207925286.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9422/6584/files/noduzowalasimidid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7586/1656/files/narrative_report_for_ojt_sample.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/59022585862.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6871/8242/files/webabapem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9279/4774/files/78272065829.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1261535930.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1991/7717/files/que_es_calicata.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7476/5475/files/34475308464.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_off0000c410.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC410 | 5820 bytes |
SHA-256: 74f66da7db625937cab8ad79cede3d1938cb03bc12207622a405e95705e7778b |
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font_01_sfnt_off0000d800.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD800 | 13728 bytes |
SHA-256: 50d833eac0126235af02721694fe9d22a7dfee569a1ca657d31eda56ac5c0f57 |
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