PDF malware analysis — malicious · e6cb864f07217ef8

MALICIOUS

PDF

41.9 KB Created: 2020-08-14 01:00:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a81396e97ce4c18b1bf40631a492af3a SHA-1: 9a651940ccb2b27800f21c572e0386def302dd2b SHA-256: e6cb864f07217ef89d8ea524f3243a825372227ebc383b21c187cf0e956a4f8b

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged by a machine learning classifier and contains numerous embedded links. One of these links directs to a known malicious redirector at 'ttraff.com', suggesting an attempt to lead the user to a harmful site. The presence of a large number of external PDF links, many hosted on Shopify, indicates a potential link farm or SEO manipulation tactic to distribute malicious content.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF 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.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small 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.
Embedded URL info EMBEDDED_URL

One 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.com/pify?keyword=batata+doce+beneficios+pdf
- http://gevonami.clickitandcartit.com/uploads/1/3/0/7/130776487/78ef6533e2a515.pdf
- http://vutomo.tohsgirlsvolleyball.org/uploads/1/3/1/4/131438474/5143707.pdf
- http://gonuxefus.clarksurveyor.com/uploads/1/3/0/8/130874474/samajabagenejo-logelesinosepud-rinirodo-tupuwe.pdf
- http://files.demirandaguitar.com/uploads/1/3/1/8/131871690/fokodibavuf_zogovisum.pdf
- https://cdn.shopify.com/s/files/1/0436/9252/3675/files/luromu.pdf
- https://cdn.shopify.com/s/files/1/0431/5663/5816/files/2348752185.pdf
- https://cdn.shopify.com/s/files/1/0430/0269/1743/files/1666373324.pdf
- https://cdn.shopify.com/s/files/1/0431/0840/1316/files/letras_chinas_abecedario.pdf
- https://cdn.shopify.com/s/files/1/0433/1775/6057/files/autogenics_3._0.pdf
- https://cdn.shopify.com/s/files/1/0432/0142/9662/files/zafavofukiwavejeb.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/42778981568.pdf
- https://cdn.shopify.com/s/files/1/0436/0096/9896/files/avert_trial.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pewugokujugiwiburonanas.pdf
- https://cdn.shopify.com/s/files/1/0433/5117/9416/files/62886622019.pdf
- https://cdn.shopify.com/s/files/1/0433/9807/0426/files/ribibimafirujokawuwisimo.pdf
- https://cdn.shopify.com/s/files/1/0429/0831/9903/files/tonexodedegekogaxasazuwo.pdf
- https://cdn.shopify.com/s/files/1/0437/6428/5598/files/59071604255.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000647f.bin` `0755efb9dcb5dd86c90454e05fdadb8b2fa9cec0a38d5a509b475d799d35bebf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x647F	5208 bytes
`font_01_sfnt_off00007643.bin` `8623ea5f73651c38872fbec152129cc29e2fab81ea1bdc934b64a11e1c5e167e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7643	10812 bytes

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