MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service (ttraff.cc) disguised as a free download for an 'arduino course pdf'. This SEO-based link farm technique is often used for phishing or distributing malware. While no scripts were directly extracted, the PDF structure and embedded URLs strongly suggest a malicious intent to redirect users to 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.cc/pify?keyword=arduino+course+pdf In PDF document text
- http://files.brecksvillecogop.org/uploads/1/3/0/7/130775490/sugumizoj_nojetemogitix_jodewato_dozumafedob.pdfIn PDF document text
- http://files.brandonautenmusic.com/uploads/1/3/2/6/132681033/2595696.pdfIn PDF document text
- http://files.theprofrocks.com/uploads/1/3/1/8/131857562/dapigevojinevi.pdfIn PDF document text
- http://kuzedala.soudersthirdgrade.com/uploads/1/3/0/8/130814017/5fdfce.pdfIn PDF document text
- http://wines.bigdaddywomack.com/uploads/1/3/0/9/130969742/xinedilenesikix_wosamuni.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/1/0440/6748/7894/files/jufopubup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0864/7580/files/romupatabigakomikugavek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3927/6707/files/samba_smb_conf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xogasetixudaxaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3792/5269/files/96526442388.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4634/6658/files/gumuxujiwexavesawatop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5787/2038/files/fexigomadatigaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5161/3334/files/88812815048.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/4274895189.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9495/0556/files/vexigijozilo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/6431/6319/files/beatriz_colomina.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wunize.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4960/7590/files/rebijemevufelaguvomeneted.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2969/2577/files/letunulaviromu.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_off00006b5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B5C | 4896 bytes |
SHA-256: d5a4ec9215766ab4d0714116bdd657f5459a39c2f757c53164a023171132c4ec |
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font_01_sfnt_off00007c1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C1D | 11364 bytes |
SHA-256: ab01eae9cb59b99d88dd29078e70909dae8588cef52975eb572d05dcba9116ee |
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