MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a mass of external links, many of which point to a redirector service known for malicious activity. The document body, though malformed, contains text related to 'arithmetic sequence word problem worksheet pdf' and a URL that appears to be a lure. The primary malicious action observed is the redirection to a potentially harmful URL, likely for phishing or malware distribution.
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=arithmetic+sequence+word+problem+worksheet+pdf In PDF document text
- http://lumilawen.danieldaniel.dk/uploads/1/3/2/7/132740930/bezesodet_gukidaju_mimesaxopazoj_risemelebajar.pdfIn PDF document text
- http://files.lightbox.at/uploads/1/3/0/7/130739542/lozadi-fakebetu-tidufabirelifa.pdfIn PDF document text
- http://files.surcodmalawi.org/uploads/1/3/1/3/131381722/winagidiramiga.pdfIn PDF document text
- http://kegidifu.rhodesriches.org/uploads/1/3/0/9/130969744/zobegi.pdfIn PDF document text
- http://files.oyccweb.com/uploads/1/3/0/8/130874652/xafitubif.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/1/0430/5013/9801/files/sozozowujatizumofuxawi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2553/6936/files/john_deere_technical_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0621/3789/files/28392210468.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6937/2576/files/ffxiv_act_no_combatants.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0614/7229/files/wilomeranuzipezukub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7152/7319/files/gapovubidegexeremu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0147/1388/files/lenelapotenujejuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5104/9370/files/99289170354.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0460/8155/files/40033849623.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9291/1007/files/notirasagodirupemivofef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6014/9910/files/74294905311.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5093/4173/files/manusia_makhluk_sosial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1570/8580/files/64942234042.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_off0000bca9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCA9 | 2828 bytes |
SHA-256: dd7b880f1c6958317b71933e3175eb4154b1281d355b69180e4ce829e506ee21 |
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font_01_sfnt_off0000c6a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6A3 | 5596 bytes |
SHA-256: e9c87f2f115896a7008f1e7a604448d84cec118297e338e212ea070c22e154a5 |
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font_02_sfnt_off0000d991.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD991 | 9964 bytes |
SHA-256: 9ab99823c9b9ac6fee01f760cadae0bee0d398064811d773d46e70755b65fc15 |
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